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(meteorobs) Radio Meteor Obs. Bull. February 2001
Radio Meteor Observation Bulletin No. 91 February 2001
1. FORWARD SCATTER METEOR OBSERVATIONS
Observer: Enric Fraile Algeciras
Location: Paseo Bonanova, 8 Barcelona (02 07'E, 41 24' N)
Frequency: 48.24715 MHz.
Transmitter Location: Biedenkopf C2 TV, Video Frequency 48.250 MHz,
ERP 100 kW, Azimuth 90 +/-65
Antenna: 3 element Yagi Azimuth 200 deg (NE), elevation 20 deg
Receiver: home made converter 20 dB gain, 1 dB noise and Kenwood TS-830S.
10 dB attenuator in the receiver to reduce direct reception
Sensitivity: 0.25 uV for 10 dB S/N
Observing method: the audio signal of the video carrier is received using
a narrow CW filter (500 Hz) and fed into the PC in real time.
Data sampling system: own written software "MSD" with sound card.
Note:
. every day of February I had local interference. This interference signal
can
be caused by some inter-modulation product. The signal is going slowly
between
48 to 49 MHz and some days it is in the middle of my reception frequency
(48.250 MHz). The signal is not produced in my reception system, as I receive
the signal in the fundamental frequency.
At first I thought the problem was a mirror frequency, because I am using
the converter with a 76.334 MHz Local Oscillator. There is a new strong FM
carrier at the mirror frequency 104.42 MHz. However, a professional notch
filter (90 dB) made no difference.
Anyone has an idea?
Enric Fraile Algeciras
---------------------------------------------------------------------------
Observer: Michael Boschat
Location: Halifax, Canada (63 36'W, 44 39'N, 58 meters above sea level)
Listening Frequency: 83.24 MHz
Receiver: Icom R-10
Antenna : resonant dipole
Antenna Direction: Horizontally polarized with lobes in E-W plane, elev 0 deg
Filter : high-Q (Q at least 300) bandpass filter between antenna & receiver.
Listening Mode: CW
Recording method: listening by ear
February 2001
Number of meteors heard in one hour interval
| UT
Feb | 09h 10 11 12 13 14 15
----+----------------------------
9 | - - - - - 12 9
24 | - - - 29 12 13 14
Notes:
. no corrections for radiant position made to the counts
. - = no observations made
. * = Interference
. Still in moving process and testing radio meteor system in different
spots in the apartment.
Mike Boschat
---------------------------------------------------------------------------
Observer: Gabor Bucsi
Location: Bekes, Hungary (46 46' N, 21 08' E)
Frequency: 91.8 MHz
Antenna : 5 element Yagi, azimuth SW
Receiver: Videoton RA-6363S
Observing method: Electronic interface on LINE output audio signal are fed
in COM port of a PC. METEOR v 4.0 version processes the signal
and records on hard disk the time of the events.
Number of meteors in one hour intervals
| February 2001
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
---+------------------------------------------------------------
0 |
1 |
2 |
3 | 2 0
4 | 0 0 6 2
5 | 1 0 2 1 1 1 0 2
6 | 0 0 0 0 0 0 0 3 1
7 | 0 1 0 0 0 0 2 2 3 5
8 | 0 0 0 0 0 1 1 1 1 1
9 | 1 0 0 0 1 0 1 1 2 4 1
10 | 0 1 0 1 0 0 1 2 1 1 1 5
11 | 0 0 1 0 0 0 3 4 2 1 2 0
12 | 0 0 2 0 1 1 1 1 3 1 2
13 | 1 0 0 0 0 1 6 0 2 4
14 | 2 0 0 0 3 0 1 4
15 | 0 1 1 1 0 0 0
16 | 0 0 0 0 1 3 3 6
17 | 1 0 0 0 0 0
18 | 0 0 1 0 1
19 | 0 0 0 1 0
20 | 1 0 0 0 1
21 | 0 0
22 |
23 |
---+------------------------------------------------------------
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
| February 2001
| February 2001
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
---+----------------------------------------------------
0 | 5 3 5
1 | 6 4 3
2 | 8 4 0
3 | 8 3
4 | 27 3
5 | 9 3
6 | 10 3 5 2
7 | 8 1 4 0
8 | 6 13 1 3 5
9 | 0 4 7 8 2 3 3
10 | 2 3 9 3 2 4
11 | 1 4 17 1 5
12 | 6 2 12 4 1
13 | 1 4 8 1
14 | 3 3 5 1
15 | 5 3 8 2
16 | 11 3 5 1
17 | 2 1
18 | 2 1
19 | 4
20 | 4 5 2 1
21 | 3 4 3
22 | 6 1 4
23 | 1 1 1
---+----------------------------------------------------
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
| February 2001
Notes:
. First test observations with this equipment.
. Threshold=6 on February 9 to 28.
. Threshold=8 on February 3 to 8.
Gabor Bucsi
---------------------------------------------------------------------
Observer: Maurice De Meyere
Location: Deurle, Belgium (3 37' E, 51 00' N)
Frequency: 66.51 MHz
Transmitter locations (all stations of more than 10 kW):
66.35 MHz, Klaipeda, Lithuania 12 kW, 05h00-22h00
66.47 Viesintos Lithuania 12 05h00-22h00
66.62 Budapest Hungary 100 24hrs
66.68 Valmiera Latvia 20 04h30-22h00
Antenna: crossed Yagi (x form), 4 elements, astronomical azimuth 270 deg
(= E), elevation 27 deg.
Antenna amplifier: 25 dB max level 90 dBmuV
Receiver: commercial, Progresson 447A, TESLA (Bratislava)
The receiver was calibrated with a Marconi TF2008 signal
generator. Sensitivity: 5 muV (modulation frequency
1000 Hz, frequency sweep 38 kHz) at (S+N)/N = 20 dB.
SWR of antenna alone at 66.5 MHz: 1.4/1 (good to very good),
measured with MFJ/259P SWR analyzer (HF-VHF 1.8 MHz to 170 MHz)
on Sep 28, 1998.
Observing method: automated setup, 150 samples/second, 8 bit resolution.
[Time and details of all individual meteor reflections are stored
on file in the Ghent University format (Prometeos), and are
available for further analysis. Reduction software for DOS and
Windows available].
Raw counts of reflections with a duration of at least 0.027 s
during one hour interval starting at UT:
Feb |
2001| 0h 1 2 3 4 5 6 7 21 22 23
-----+----------------------------------------------------------
1 | 22 12 17 42 33 19
2 | 10 12 27 39 41 47 13 27 14
3 | 16 8 14 30 38 50 44 55 41 31 10
4 | 14 21 3 20 43 41 51 12 23 40 5
5 | 2 2 12 26 24 17 16 32 24 16 3
6 | 3 4 11 31 40 34 32 49 10 24 11
7 | 12 6 6 23 37 45 46 67 2 26 18
8 | 9 2 2 15 31 39 42 28 - - -
9 | - - - - - - - - 18 21 7
10 | 6 6 14 25 46 51 45 67 17
11 | 7 6 15 17 43 22 33 34 42 25 31
12 | 4 22 10 34 32 32 53 70 - - -
13 | - - - - - - - - 32 20
14 | 9 11 21 34 35 42 9 34
15 | 13 11 46 19 54 - - -
16 | - - - - - - 17 30 20
17 | 7 16 20 30 48 36 39 16
18 | 12 8 10 18 33 42 55 27 39
19 | 11 23 22 33 15
20 | 9 5 12 29 17 35 29 19
21 | 18 4 11 46 45 56 32 17 28 17
22 | 16 12 9 22 25 37 71 44 26 24
23 | 7 10 5 11 20 14 11 31 19 15 11
24 | 10 8 11 24 33 31 23 27 - - -
25 | - - - - - - - - 12 29 13
26 | 10 12 9 11 37 55 47 43 21 31 12
27 | 3 10 9 20 25 59 60 67 10 19 7
28 | 15 11 11 45 25 39 47 40 24 30 12
-----+----------------------------------------------------------
2001| 0h 1 2 3 4 5 6 7 21 22 23
Feb |
Raw counts of reflections with a duration of at least 1.000 s
during one hour interval starting at UT:
Feb | UT
2001| 0h 1 2 3 4 5 6 7 21 22 23
-----+----------------------------------------------------------
1 | 4 0 3 6 8 12 5
2 | 5 1 6 12 7 7 3 4 6
3 | 1 1 1 3 1 5 5 4 9 6 0
4 | 3 5 0 4 3 8 6 2 4 0 0
5 | 0 0 2 3 2 3 2 7 5 1 0
6 | 0 0 3 5 4 3 11 3 2 1
7 | 5 0 1 4 1 7 7 14 1 5 3
8 | 1 0 0 2 4 2 7 3 - - -
9 | - - - - - - - - 0 4 2
10 | 2 1 1 2 6 3 1 8 12 3
11 | 0 0 4 1 5 4 4 11 12 3 10
12 | 1 5 1 5 2 1 4 14 - - -
13 | - - - - - - - - 8 11
14 | 1 1 4 4 1 12 1 7
15 | 4 1 6 3 - - -
16 | - - - - - - - - 3 4 2
17 | 1 3 1 0 8 4 11 3
18 | 0 0 2 1 5 5 10 2 12
19 | 8 3 1 3 2 3
20 | 3 0 4 1 1 4 11 13 10 4
21 | 4 1 2 7 10 6 3 9 1
22 | 4 1 3 1 2 3 9 13 0 3 5
23 | 0 3 0 3 0 2 0 0 4 2 2
24 | 1 0 0 3 6 7 3 8 - - -
25 | - - - - - - - - 1 3 4
26 | 1 3 1 1 3 6 6 5 4 4 4
27 | 0 0 0 1 2 10 1 2 2
28 | 3 3 4 7 2 5 6 2 5 4 1
-----+----------------------------------------------------------
2001| 0h 1 2 3 4 5 6 7 21 22 23
Feb | UT
Notes:
. - = no observation
. blank = possibly affected by Es, interference
. local time = UT + 1 hours
Maurice De Meyere
----------------------------------------------------------------------
Location: Astronomical Observatory, Ghent University, Belgium
(ED50 coordinates: 3 42' 32" E, 51 01' 25" N)
Antenna (2x): 4 elements horizontal Yagi, pointed East, elevation 20 deg
Antenna amplifier: 10 dB gain
narrow band resonance lambda/4 antenna filter
Frequency: (1)=66.29 MHz (signal) and (2)=65.3 MHz (interference control)
Receiver (2x): modified commercial FM receiver
Data acquisition: 12 bits PC-based A/D convertor, 250 Hz sampling rate
Interference rejection:
dual setup: receiver (1) tuned at distant transmitter, receiver (2)
tuned at empty frequency. Anti-coincidence measurement rejects
registration of broadbanded spurious signals (lightning, computers,
ignition motors, etc).
Further information:
see WWW page (additional info + observational data)
http://allserv.rug.acdot be/~hdejongh/astro/meteor/meteor.html
Data format:
results are shown as total reflection time, expressed as
a percentage. The actual number shows 10 times this value.
When no figure is shown, the equipment was either out of service,
or results could have been affected by interference, sporadic-E.
-------------------------------------------------------------
| Feb 2001 | 10x % reflec. time | horiz: day | vert: time UT|
----------------------------------------------------------------
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
---+------------------------------------------------------------
0h| 11 17 7 12 7 7 4 9 10 6 7 5 6 6 3
1 | 16 12 21 18 10 8 11 16 13 9 9 10 14 5 24
2 | 10 10 19 12 12 12 14 18 12 7 13 10 12 12 9
3 | 20 15 27 20 10 8 18 14 16 12 20 11 8 17 16
4 | 22 25 49 26 14 26 18 21 19 19 21 17 26 18 18
5 | 54 19 37 35 35 15 34 32 17 21 14 29 19 27 16
6 | 31 26 37 28 19 32 28 33 22 22 24 29 24 19 14
7 | 19 51 24 32 35 19 32 23 42 54 20 27 20 19 13
8 | 30 34 18 28 42 25 9 15 24 37 24 15 32 13 11
9 | 21 62 58 50 21 26 8 9 15 15 25 31 30 12 17
10 | 12 26 22 41 24 27 10 16 11 22 24 37 22 3 11
11 | 19 26 58 39 37 16 14 20 14 8 21 27 10 4 5
12 | 20 16 18 25 30 51 9 12 12 14 15 20 7 3 6
13 | 7 9 34 29 12 77 14 6 8 7 14 8 10 9 3
14 | 6 6 21 28 18 8 8 4 8 6 5 6 8 3 5
15 | 5 7 8 18 9 7 9 3 3 8 11 4 5 3 3
16 | 10 4 11 15 9 5 7 8 8 8 9 4 6 6 7
17 | 6 9 13 14 6 5 13 4 2 3 9 5 4 3 7
18 | 13 10 6 4 5 6 8 2 8 12 9 13 6 3 17
19 | 8 6 8 29 7 5 9 5 10 11 8 6 8 7 9
20 | 24 12 8 17 12 7 11 23 13 6 14 16 4 5 6
21 | 44 11 16 24 20 16 10 17 20 20 6 19 6
22 | 20 23 20 15 12 8 11 11 6 10 12 7 7 8
23 | 6 8 9 15 9 4 9 5 7 5 7 9 5 4 4
---+------------------------------------------------------------
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
--------------------------------------------------------------
| Feb 2001 | 10x % reflec. time | horiz: day | vert: time UT |
-----------------------------------------------------------------
| 16 17 18 19 20 21 22 23 24 25 26 27 28
---+----------------------------------------------------
0h| 20 8
1 | 8 5
2 | 14 7
3 | 24 12
4 | 20 24
5 | 18 20
6 | 21 22
7 | 21 48
8 | 13 21
9 | 17 19
10 | 18 6 43
11 | 12 15 10
12 | 11 15 7
13 | 11 8 9
14 | 8 3 3
15 | 5 6 2
16 | 1 4 3
17 | 6 2
18 | 2 4
19 | 5 6
20 | 8 9
21 | 11 8
22 | 8 14
23 | 4 5
---+----------------------------------------------------
| 16 17 18 19 20 21 22 23 24 25 26 27 28
Notes:
. an attempt to find a better location (at my home) failed, causing
the missing data between Feb 16 and Feb 27. Although there was little
interference, there were far less reflections due to a hill in eastern
direction and other practical problems.
Pierre De Groote
---------------------------------------------------------------------------
Observer: H. W. Kelsey
Location: Conway, Arkansas USA (92 25' W, 35 02' N)
Frequency: 89.5 MHz
Transmitter: Tulsa OK & Salina/Manhattan KS
Receiver: Sangean 803A
Antenna: Yagi Heading: SNW
Observing Method: Recorded on Audio Tape
Underdense/Overdense Scale:
Overdense: 0.5 second or more duration
Underdense: less than 0.5 second duration
Each observed hour is 60 minutes, exactly
Feb Over- Under-
2001 UT dense dense Total
_______________________________________________
1 11h00-12h00 4 6 10
2 11h00-12h00 4 3 7
3 11h00-12h00 6 7 13
4 11h00-12h00 6 5 11
5 10h30-11h30 5 8 13
6 10h30-11h30 1 4 5 Major Interference
7 10h30-11h30 1 3 4 Major Interference
8 10h30-11h30 5 8 13
9 10h00-11h00 4 12 16
10 10h00-11h00 5 14 19
11 10h00-11h00 Lost to major interference
13 10h00-11h00 5 5 10
14 09h30-10h30 10 10 20
15 09h30-10h30 7 13 20
16 10h00-11h00 8 8 16
17 10h00-11h00 6 7 13
18 09h30-10h30 1 2 3
19 09h30-10h30 5 7 12
20 09h30-10h30 2 12 14
21 09h30-10h30 3 12 15
22 09h30-10h30 9 7 16
23 09h30-10h30 5 6 11
24 09h30-10h30 5 9 14
25 09h30-10h30 8 10 18
27 09h30-10h30 7 5 12
28 09h30-10h30 1 6 7
Will Kelsey
---------------------------------------------------------------------------
Observer : Patrick Decomble - Lycee Langevin
Location : La Seyne sur Mer, France (43 06' N, 5 53' E)
Frequency: 92.75 MHz
Receiver : AKAI FM AM stéréo synthesizer tuner AT-M20L
Antenna : 2 element Yagi, horizontal
Software : METEOR v 4.0
| January 2001
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
---+-----------------------------------------------------------
0h| 19 14 11 12 18 8 7 10 20 4 15 15 9
1 | 17 8 8 13 4 10 6 12 4 3 6 6 5
2 | 15 12 16 20 9 8 12 16 12 8 10 5 14
3 | 10 9 11 9 16 13 15 17 11 6 9 7 4
4 | 8 11 15 10 14 12 9 14 10 2 2 4 10
5 | 15 9 8 11 14 10 10 12 8 9 5 8 9
6 | 13 12 22 10 12 10 14 16 16 9 6 17 21
7 | 12 7 7 5 11 13 14 15 23 6 11 17 13
8 | 20 11 10 17 17 14 23 16 11 5 11 13 11
9 | 12 15 10 9 10 13 12 13 9 14 9 6 7
10 | 14 9 11 22 10 14 10 12 13 6 7 9 12
11 | 12 13 7 12 8 13 6 13 17 7 6 7 13
12 | 13 8 11 10 12 15 7 12 5 5 11 6
13 | 9 11 9 10 15 15 20 11 1 11 9 13
14 | 13 7 10 12 13 14 15 8 8 8 6 6
15 | 15 11 16 13 9 13 13 9 7 10 8 7
16 | 11 5 9 14 13 14 14 16 8 15 4 11
17 | 6 7 10 12 15 12 15 15 14 4 5 3
18 | 17 18 20 17 11 10 15 20 16 6 19 8
19 | 16 6 22 12 9 7 8 13 7 7 12
20 | 10 6 18 9 15 11 14 18 7 9 6
21 | 8 4 8 10 12 10 17 12 7 17 6
22 | 14 7 15 22 14 12 20 23 9 6 5
23 | 11 12 11 17 10 9 18 15 9 12 24
---+-----------------------------------------------------------
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
| January 2001
| January 2001
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
---+---------------------------------------------------------------
0h| 15 34 0 11 10 9 13 16 10 11
1 | 6 7 0 9 6 6 5 12 10 10
2 | 12 11 0 6 6 4 10 6 12 23
3 | 13 8 0 8 8 4 5 16 10 11
4 | 13 6 0 12 10 8 6 13 15 15
5 | 11 9 0 9 4 11 5 14 8 13
6 | 12 13 1 5 9 9 11 9 14 14
7 | 16 18 4 12 5 6 3 11 11 17
8 | 11 12 1 17 9 9 5 17 13 6
9 | 5 16 3 8 11 18 7 9 9 10
10 | 27 17 3 5 9 12 9 9 8 10
11 | 2 11 10 9 14 4 8 15 9 9
12 | 2 16 8 12 10 5 8 13 11 9
13 | 7 69 19 11 14 10 9 18 13 13
14 | 11 19 6 6 15 4 8 13 12
15 | 6 10 8 8 6 10 11 18 14
16 | 11 14 5 7 7 9 9 6 13
17 | 10 10 8 7 13 14 5 17
18 | 12 12 9 8 9 13 11 15
19 | 4 5 3 0 12 13 12 16
20 | 15 9 11 7 21 7 14 11
21 | 11 5 6 7 4 13 9 15
22 | 25 9 10 5 14 15 11 13
23 | 23 11 4 6 11 11 13 17
---+---------------------------------------------------------------
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
| January 2001
Patrick Decomble
---------------------------------------------------------------------------
Observer: Stan Nelson, KB5VL
Location: Roswell, NM 88201 (33 25' 38" N, 104 30'55 W, elev 1100 m)
Receiver: Radio Shack Scanner Wide Band FM 88.7 MHz
Antenna : 6 element FM beam 45 deg az elevated 15 deg above horizon
Observing method: software Meteor Version 4 Threshold set at 5 on 29 Nov 2000
Data is being uploaded to NASA's Space Weather web hourly
see: http://www.spaceweather.com/
| February 2001
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
---+-----------------------------------------------------------
0h| 7 3 12 7 5 10 4 10 4 2 9 8 4 6 6
1 | 3 8 7 9 4 5 5 7 7 9 4 5 5 7 9
2 | 12 2 7 9 9 12 7 5 6 6 9 5 11 9 6
3 | 6 5 16 15 18 17 5 17 12 11 5 12 18 12 8
4 | 17 8 11 13 15 12 15 8 8 12 12 12 13 14 13
5 | 16 14 22 20 16 10 9 15 12 11 9 23 21 10 17
6 | 18 11 10 17 20 12 10 12 10 20 10 16 21 13 15
7 | 27 20 17 20 14 20 10 11 13 9 5 20 17 9 19
8 | 20 21 23 20 20 11 17 19 17 20 23 16 14 15 13
9 | 21 15 10 19 16 22 23 25 20 16 13 23 31 33 24
10 | 27 16 22 30 20 29 18 26 24 20 20 27 21 27 12
11 | 19 11 25 18 16 15 17 23 25 21 28 17 23 26 23
12 | 30 22 24 23 32 28 29 31 23 21 17 22 24 26 21
13 | 28 20 21 26 35 27 20 22 26 27 36 33 29 36 24
14 | 35 23 26 34 26 39 22 39 31 26 36 23 25 33 30
15 | 32 27 21 37 32 26 42 29 27 24 30 19 30 50 28
16 | 35 17 31 39 35 26 17 32 27 22 27 26 38 41 32
17 | 30 24 22 36 33 27 22 24 23 24 27 32 35 42 24
18 | 26 15 27 29 24 68 117 47 28 21 27 27 24 21 26
19 | 29 17 23 30 20 27 36 43 27 15 16 14 35 21 21
20 | 24 16 25 18 17 20 28 19 18 20 22 16 26 10 19
21 | 16 14 14 17 16 14 35 11 21 16 37 20 12 17 21
22 | 15 7 10 9 10 8 60 7 68 7 7 11 14 8 12
23 | 6 9 6 4 41 11 7 10 25 4 3 7 8 6 11
---+-----------------------------------------------------------
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
| February 2001
| February 2001
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
---+---------------------------------------------------
0h| 5 5 4 8 4 4 5 ? 2 8 11 10 78
1 | 7 8 7 10 10 4 3 ? 12 2 13 4 22
2 | 7 8 7 11 5 9 7 ? 6 6 8 13 17
3 | 16 13 11 5 8 10 9 3 9 14 15 9 18
4 | 15 9 19 14 12 8 7 18 10 15 22 14 16
5 | 15 9 15 8 13 17 12 14 13 15 14 13 18
6 | 12 20 12 12 23 6 15 11 12 16 13 23 18
7 | 21 20 20 16 14 11 15 4 13 11 14 16 34
8 | 22 17 22 23 20 14 15 4 11 12 21 22 28
9 | 18 22 25 21 24 13 23 9 30 17 30 22 25
10 | 17 17 31 22 18 20 11 13 26 23 21 19 26
11 | 22 31 19 28 18 14 17 15 24 26 22 22 23
12 | 20 29 32 22 21 14 28 19 27 17 30 21 33
13 | 21 20 37 38 20 19 21 24 20 30 34 26 39
14 | 32 31 33 28 17 6 25 35 39 28 27 35 33
15 | 34 29 34 28 28 25 27 22 34 35 32 32 41
16 | 29 35 25 41 22 30 31 26 24 31 34 26 38
17 | 40 35 32 39 23 18 15 30 27 42 35 38 23
18 | 29 44 22 33 17 16 19 11 21 22 33 75 24
19 | 19 21 30 16 22 14 ? 16 18 14 20 41 24
20 | 23 27 20 17 14 8 ? 17 22 14 16 14 16
21 | 54 19 13 23 13 12 ? 14 13 13 13 20 17
22 | 47 9 14 15 7 47 ? 19 9 10 16 7 10
23 | 27 4 5 5 8 9 ? 17 11 38 6 12 9
---+---------------------------------------------------
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
| February 2001
Stan Nelson
---------------------------------------------------------------------------
Observer: Hiroshi Ogawa
Location: Misato Observatory (Wakayama-pref. Japan) 135.40 E, 34.13 N
Frequency: 53.750 MHz.
Transmitter Location: HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz)
by JA9BOH Kimio Maegawa. No modulation except for identification
Antenna: original dipole (height: 1 m, to level, element: west-east)
Receiver: AOR AR8000 USB-Mode
Observing method: HROFFT software (by Okawa), manual count
Total number of echoes
Feb|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT
Feb|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT
---+--------------------------------------------------------------------------
1|11 13 17 15 19 27 18 16 20 15 14 12 10 13 9 8 12 8 8 8 13 12 14 15
2|16 17 19 23 19 18 22 18 20 18 15 11 8 11 11 11 8 7 @8 IF @6 10 12 17
3|16 22 22 21 18 24 21 23 23 17 17 14 10 8 11 10 10 6 5 7 7 15 9 10
4|18 13 12 22 21 22 21 21 18 23 17 16 14 10 10 9 9 8 10 7 7 9 11 14
5|16 13 15 17 19 18 14 15 13 18 18 13 11 10 10 10 7 IF IF@12 9 11 10 13
6|13 19 20 15 22 16 16 22 14 26 20 13 11 10 11 11 8 7 7 12 13 11 14 13
7|19 19 25 26 26 21 20 18 14 16 10 10 11 11 7 8 6 8 5 4 12 12 15 9
8|13 16 15 17 12 17 26 22 14 17 12 11 10 10 10 9 7 8 6 10 12 11 8 16
9|10 14 13 17 18 22 18 19 28 20 19 16 12 12 11 11 9 6 @8 8 12 9 11 15
10|12 12 17 19 17 16 22 19 14 22 15 10 14 14 10 6 @6 10 9 8 8 13 12 12
11|14 12 23 19 23 17 17 19 13 22 22 17 10 10 11 9 9 @8 IF 7 8 7 14 12
12|16 16 16 17 18 20 18 24 23 23 14 17 14 14 10 9 9 8 7 7 10 8 11 15
13|10 19 17 20 27 24 19 28 23 19 18 13 10 11 11 8 6 IF IF 10 10 10 16 16
14|13 13 17 16 19 13 15 13 12 11 11 11 13 7 9 9 5 8 @8 10 13 11 14 12
15|14 11 14 15 16 14 10 16 14 13 16 10 12 9 IF IF IF IF IF IF@10 13 14 11
16|13 15 16 17 16 18 18 20 17 20 16 12 13 8 11 11 @4 IF IF @6 10 10 12 13
17|13 15 16 20 19 14 17 14 20 23 12 14 11 11 @8 6 9 @6 IF IF IF IF 16 13
18|11 16 14 18 23 25 23 17 18 22 21 17 12 13 10 7 9 7 8 7 7 9 14 14
19|12 14 16 19 29 28 17 18 20 18 23 11 10 12 12 4 7 4 5 6 10 10 IF 9
20|10 11 15 19 18 23 26 17 27 10 15 14 14 11 7 6 @6 4 5 4 6@12 11 13
21|19 15 16 18 26 25 24 21 20 24 14 8 11@12@10 -- @6 9 6 8 7 11 11 14
22|14 13 14 13 25 23 20 28 20 18 18 12 9 12 11 7 6 6 6 10 6 9 13 16
23|13 16 16 14 18 27 23 27 19 11 10 14 12 4 10 6 5 5 9 7 @8@12 9 12
24|11 11 5 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 5 5 9 13 11 18
25|14 15 15 20 22 11 20 31 17 16 14 9 11 11 11 7 8 4 @4 3 11 10 11 14
26|13 10 12 16 23 21 17 22 16 17 9 12 10 10 9 7@10 7 4 7 10 10 13 9
27|17 18 24 18 20 21 21 20 27 18@12 13 11 12 8 10 11 6 IF @4 7 11 14 18
28|15 17 20 23 20 15 18 21 16 17 16 13 6 8@10 IF IF IF @2 IF IF 10 14 15
---+--------------------------------------------------------------------------
Feb|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT
Feb|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT
Echoes longer than 20 seconds
Feb|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT
Feb|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT
---+--------------------------------------------------------------------------
1|
2|
3| 1
4| 1
5| 1 1
6| 1
7| 1 1
8|
9| 1 1
10| 1 1
11| 1 1
12| 1
13| 1
14|
15| 1 1
16| 1
17| 1
18|
19|
20|
21| 1 2
22|
23| 1
24|
25| 1
26| 1 1
27| 1 1
28|
---+--------------------------------------------------------------------------
Feb|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT
Feb|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT
Notes:
--: lost counts because of high noise level or machine failure.
@: Hourly rate estimated by effective observation time less than 60 min.
IF: Contamination due to radio noise or interference
Es: Contamination due to sporadic E opening
LT = JST = UT + 9 h
Hiroshi Ogawa
---------------------------------------------------------------------------
Observer: Sadao Okamoto
Location: Damine Meteor Observatory, Japan (137.53 E, 35.07 N)
Transmitter: HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by
JA9BOH Kimio Maegawa. No modulation except for identification.
Antenna: 2 element Cross Yagi 4 dBi aiming to Zenith. Omni-directional
in azimuth and elevation above 15 deg elevation.
Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N)
At present time about 10 observers are listing for
Kimio Maegawa's 53.75 MHz beacon.
Receiver: IC575
Antenna: 2 element Yagi, pointed to the zenith.
Observing method: FFTDSP software, manual count.
Hourly echoes over 10 dB SNR
2001
Feb|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT
Feb|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT
---+--------------------------------------------------------------------------
1 |26 27 35 52 30 40 20 31@24 22 26 17 31 17 17 11 7 7 1 6 11 19 11 26
2 |26 27 32 30 36 28 19 22@18 4 15 8 5 9 7 5 7 6 4 4 7 14 20 22
3 |32 36 36 31 33 32 37 36@34 19 11 4 4 1 3 3 n 2 6 11 6 22 26 26
4 |38 32 42 52 36 41 35 37@12 23 14 6 6 5 7 2 2 4 9 4 9 12 31 23
5 |31 26 40 39 35 38 51 49@24 39 15 23 18 16 13 @7 e e n@10 9 16 21 14
6 |39 33 36 52 39 42 34 32@34 24 18 23 22 17 16 15 7 3 8 7 16 17 22 17
7 |33 35 38 46 53 37 22 45@39 24 25 24 20 19 19 16 2 7 8 6 13 21 23 25
8 |25 36 39 36 32 32 31 32@34 25 19@10 n n n 2 4 3 9 9 9 17 9 12
9 |23 34 51 35 25 47 25 34@43 20 32 24 23 11 11 2 6 4 5 6 7 16 28 32
10 |27 32 47 47 40 32 30 26 @8 15@12 7 12 11 5 14 n 5 5 7 10 14 16 20
11 |22 30 41 44 41 35 26 26@21 2 6 5 5 3 5 5 3 6 4 10 18 21 25 19
12 |23 32 31 49 43 27 22 27@31 18 7 6 5 @4 n 4 2 5 5 2 10 13 19 30
13 | 9 30 23 20 18 27 30 35@18 21 12 8 14 3 6 2 10 n 0 5 11 27 25 32
14 |28 41 38 45 44 28 37 32@43 35 26 17 11 6 13 5 0 3 5 5 17 25 27 27
15 |19 19 30 31 27 24 23 29@16 19 8 1 n n n n @4 5 4@15 e 13 28 28
16 |33 27 44 37 20 30 40 28@33 21 24 14 8 n n 0 1 2 4 3 4 10 7 9
17 |17 18 31 20 40 30 34 28@25 14 5 6 3 n n 4 1 n n n n n 26 23
18 |25 32 39 29 30 40 36@24 @4 16 15 21 10 8 8 6 3 7 3 4 9 15 26 22
19 |26 34 44 31 36 39 22 20@14 4 12 10 5 4 n n 4 1 3 2 11 13 31 31
20 |36 24 25 29 46 37 38 19@14 13 26 16 16 12 9 n n 1 4 3 8 16 26 28
21 |24 37 52 39 56 37 32 49@39 27 24 19 22 f@15 f @6 3 7 7 8 14 13 27
22 |31 28 36 41 52 26 36 42@27 35 16 7 8 n n 9 9 1 6 5 18 17 23 41
23 |15 24 24 26 38 41 46 25@26 36 4 n n 1 4 7 0 4 5 11 10 13 18 24
24 |29 41 30 f f f f f f f f f f f f f f f 1 7 12 21 27 24
25 |35 33 41 24 22 29 16 14@15 9 @7 11 4 n n n n 3 5 1 5 18 16 33
26 |30 25 22 32 28 24 16 12@12 11 11 11 @7 e @3 3 e 1 5 8 12 17 42 22
27 |17 42 20 32 42 34 40 23@25 26 21 15 14 18 7 @6 n 4 5 6 6 18 36 46
28 |27 31 61 56 35 44 36 50@39 28 27 25 e e e n n n @4 e 6 16 31 39
---+-------------------------------------------------------------------------
Feb|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT
Feb|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT
2001
Echoes with duration > 5 s
2001
Feb|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT
Feb|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT
---+--------------------------------------------------------------------------
1 | 3 3 1 3 3 2 2 1 1 1 1 1 1
2 | 2 4 2 1 1 1 1 1 1 1 1
3 | 3 2 1 5 3 2 1 1 1 1 2 1 1 1
4 | 3 1 4 7 3 5 5 3 2 1 1 2
5 | 3 1 4 1 3 3 5 2 1 1 2 1 1 1
6 | 2 1 4 4 3 7 3 7 3 2 1 2 1 1 2
7 | 2 1 3 3 5 2 4 1 2 1 1 2 1 1
8 | 1 1 3 4 3 3 1 1 1 2 1 1
9 | 1 1 1 4 4 6 2 2 1 2 1
10 | 1 3 3 1 1 3 1 1 1 2
11 | 1 3 2 4 9 2 3 1 1 1 1 1
12 | 3 2 3 3 2 1 1 1
13 | 4 1 2 3 1 1 1 1
14 | 4 2 9 5 1 5 1 3 2 2 1 1 1 2
15 | 1 2 2 2 2 4 1 1 1 1 1
16 | 2 3 3 1 1 4 3 1 1
17 | 1 2 2 4 3 1 1 2 1 1 1 1
18 | 2 2 3 1 4 2 1 1 1 1 1
19 | 2 1 3 2 1 2 1 1 2 1 3
20 | 1 1 1 3 2 3 1 1 4 1 1 2
21 | 2 1 1 2 2 6 3 3 1 1 1
22 | 1 1 2 1 1 2 2 1 1 1 1 1 2
23 | 2 3 3 2
24 | 2 2 2 1
25 | 1 1 1 1 3 1 1 1
26 | 2 2 4 2 1 2 2 1 4 1 1 1 1 2 1
27 | 1 6 1 3 5 1 1 2 1 2 2 1 4
28 | 3 3 6 1 5 3 4 4 3 3 1 1
---+--------------------------------------------------------------------------
Feb|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT
Feb|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT
2001
Daily rate of long echoes (T > 20 s)
2001
Feb 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
----------------------------------------------------------------
Count 1 1 0 4 4 2 2 2 2 2 2 0 1 0 0
Feb 16 17 18 19 20 21 22 23 24 25 26 27 28
--------------------------------------------------------
Count 1 1 0 0 1 1 0 1 1 1 3 2 0
Notes:
-: lost counts because of high noise level or machine failure.
@: Hourly rate estimated by effective observation time less than 60 min.
n: Contamination due to radio noise or interference
e: Contamination due to sporadic E opening
f: No data available due to TX or RX failure
LT = JST = UT + 9 h
Sadao Okamoto
---------------------------------------------------------------------------
Observer: Dave Swan
Location: Christchurch UK (50.47 N 1.44 W)
Receiver: Pro 2006 (modified to give a carrier detected
output for Chessell 301 pen recorder).
Detected signal level > -123 dBm
Antenna: 5 element Yagi Gain 7.5 dBd.
Azimuth 170 deg elevation 10 deg.
Frequency: 55.25 MHz
Transmitter: Spanish TV channel E3 (video); transmitters in La Muela (35 kW),
Gamoniteiro (50 kW) and Aitana (60 kW); distance ~ 1000 km
Computer: AST 486 Notebook with Meteor v 4.0 software
| February 2001
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
---+-----------------------------------------------------------
0h| 26 43 13 14 20 24 21 34 30 19 36 32 14 16
1 | 31 38 24 29 30 35 33 39 29 19 33 36 16 30
2 | 34 53 25 10 29 36 32 37 20 29 57 38 41 29
3 | 39 48 32 24 36 32 38 25 37 37 62 42 24 34
4 | 32 42 33 30 39 25 32 38 32 35 61 47 32 36
5 | 40 43 28 26 31 21 34 31 33 19 42 36 25 23
6 | 35 41 33 43 38 24 37 18 34 17 47 38 18 28
7 | 36 38 25 40 37 19 44 26 35 35 28 23 33 25
8 | 32 38 25 28 17 26 34 26 28 25 16 26 26 31
9 | 27 37 24 23 29 22 16 26 32 23 28 22 28 18
10 | 17 24 22 17 27 12 36 29 20 20 24 17 21 21 16
11 | 25 7 16 21 20 21 20 27 28 23 14 15 23 33 9
12 | 16 28 24 12 18 13 26 19 27 17 19 11 19 24 25
13 | 20 20 19 10 14 17 18 22 12 12 23 11 9 18 18
14 | 17 24 14 11 23 9 15 20 19 9 12 19 11 20 19
15 | 11 6 12 19 10 9 13 16 13 7 14 15 19 11 7
16 | 9 23 5 19 8 17 20 21 7 13 16 4 10 11
17 | 7 11 13 17 12 8 7 6 20 7 21 9 12 14
18 | 24 17 11 9 12 17 10 18 16 2 17 11 12 14
19 | 18 18 9 18 17 17 11 9 14 8 22 6 7 13
20 | 19 16 19 20 23 21 17 21 14 19 18 12 16 19
21 | 25 14 12 19 21 22 18 23 14 21 16 3 19 8
22 | 30 18 10 39 5 17 10 31 22 30 29 8 26 14
23 | 48 20 7 22 14 19 26 26 22 37 30 13 16 18
---+-----------------------------------------------------------
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
| February 2001
| February 2001
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
---+---------------------------------------------------
0h| 10 9 7 27 19 14 16 33 15 13 7 22 30
1 | 19 21 11 24 9 13 18 21 26 12 23 8 42
2 | 30 38 15 30 30 30 18 37 17 17 22 20 42
3 | 22 32 18 44 43 40 37 9 27 33 30 39 42
4 | 29 19 18 24 24 30 27 22 16 26 16 30 40
5 | 30 29 46 33 52 30 13 28 26 19 15 27 48
6 | 21 24 37 21 40 32 19 22 34 39 30 28 48
7 | 34 29 27 35 21 30 44 15 32 23 39 26 17
8 | 23 33 36 31 25 26 44 24 32 31 29 21 17
9 | 24 31 21 27 26 22 18 31 11 33 18 13 27
10 | 11 24 32 10 15 25 25 27 16 14 29 5 15
11 | 26 30 21 26 24 23 19 27 23 16 23 9 6
12 | 21 32 23 18 17 12 18 20 19 25 10 16 17
13 | 6 17 23 24 25 17 21 23 12 8 8 8 16
14 | 12 13 12 7 10 8 5 7 10 6 9 6 6
15 | 5 5 5 25 14 4 15 13 16 10 6 3 15
16 | 11 3 15 17 20 11 1 14 12 15 15 20 14
17 | 12 6 12 16 21 17 8 9 19 11 22 20 11
18 | 15 2 13 7 8 10 23 10 9 8 8 8 14
19 | 10 10 19 8 5 19 14 17 6 5 14 16 16
20 | 16 18 17 15 20 14 19 18 9 12 19 13 25
21 | 23 8 14 19 11 20 18 13 6 16 21 10 22
22 | 18 15 26 16 20 12 22 15 12 22 24 33 29
23 | 24 17 15 16 19 33 17 19 20 37 31 48
---+---------------------------------------------------
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
| February 2001
Note:
. no counts for the period 16h UT on the 6 Feb. to 9h on the 7 Feb.
due to equipment down time.
Dave Swan
---------------------------------------------------------------------------
Observer: Ervin Szlanicska
Location: Lehnice, Slovakia (48 03' E, 17 27' N)
Frequency: 91.75 MHz
Antenna : 3 element with amplifier azimuth SW
Receiver: AIWA NSX-S30
Observing method: Electronic interface on LINE output audio signal are fed in
COM port of a PC. METEOR v 4.0 version processes the signal
and records on hard disk the time of the events. Threshold=10 for
all obs.
Number of meteors in one hour intervals
| January 2001
UT | 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
---+------------------------------------------------------------------------
0h| 20 0 16 26 23 44 33
1 | 4 18 32 30 37 27
2 | 0 10 26 22 43 27
3 | 14 39 26 51 37
4 | 3 5 6 15 10
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 | 1 0
19 | 5 7 14 58 0 0
20 | 1 0 17 40 22 35 44
21 | 24 6 12 40 17 42 35
22 | 24 0 16 35 25 44 34
23 | 13 1 16 26 31 24 29
---+------------------------------------------------------------------------
UT | 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
| January 2001
Ervin Szlanicska via Szabolcs Kiss
---------------------------------------------------------------------------
Observer: Pierre Terrier
Location: Canet, France (3 36'E, 43 41' N)
Frequencies: 96.8 MHz (changed since previous report)
Antenna: 6-element Yagi FM, horizontal polar.
azimuth 0 deg (N-S), elevation 90 deg. (zenith)
Pre-amplifier: home made, gain 15 dB, Nf < 2 dB
Receiver: Tuner FM Continental Edison digital synthesiser TU 9945
Observing method: Electronic interface on LINE output audio signal are fed in
COM1: of PC Pentium 75 MHZ.
WMeteor v 1.0 (Windows) processes the signal and records on
hard disk the time of the events.
WMeteor parameters: THRESHOLD = 14
COLORGRAMME v 2.2 working with WMeteor to display the visual
graphic data's at all hour change and generates RMOB bulletin
automatically
| February 2001
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
---+-----------------------------------------------------------
0h| 9 7 5 8 8 11 8 6 3 4 5 6 5 12 3
1 | 13 13 13 3 13 6 12 5 5 3 2 2 12 8 3
2 | 12 24 13 6 13 17 13 4 6 1 9 11 11 10 5
3 | 16 42 13 7 17 13 28 9 10 9 6 14 9 12 5
4 | 19 30 12 14 23 10 15 6 3 1 5 17 10 17 5
5 | 15 14 7 9 9 10 10 6 6 6 6 0 8 5 6
6 | 11 7 8 7 14 10 17 11 6 9 4 5 11 5 6
7 | 7 8 8 13 10 9 8 4 10 6 4 3 7 6 5
8 | 13 13 6 10 13 12 10 10 2 3 5 3 7 5 5
9 | 8 10 17 10 10 8 10 5 9 3 2 6 13 6 4
10 | 9 10 10 15 7 10 9 9 6 5 7 4 8 7 11
11 | 5 7 11 7 8 10 5 5 3 4 8 7 5 0 2
12 | 10 5 9 9 6 13 5 3 5 5 2 3 4 3 5
13 | 4 4 5 6 8 9 4 6 4 7 3 4 3 5 8
14 | 4 2 4 4 6 5 6 3 5 2 4 2 4 3 6
15 | 6 5 1 6 3 4 4 2 2 3 7 7 1 0 5
16 | 2 0 2 4 5 6 3 1 2 1 2 7 1 1 1
17 | 2 0 5 1 2 6 2 1 0 2 5 0 2 5 1
18 | 1 8 8 5 2 6 6 2 2 1 1 2 3 1 2
19 | 6 4 7 7 4 6 2 2 2 1 3 2 1 3 4
20 | 7 6 2 5 8 7 4 3 2 3 1 5 7 4 4
21 | 7 10 3 9 4 7 4 2 3 2 4 2 9 5 3
22 | 2 11 11 11 9 5 8 5 9 4 9 10 5 1 3
23 | 7 7 12 8 9 13 6 6 6 6 3 7 9 5 9
---+-----------------------------------------------------------
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
| February 2001
| February 2001
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
---+---------------------------------------------------
0h| 4 8 9 0 7 10 17 10 13 8 7 11 18
1 | 10 12 2 2 6 21 19 15 22 11 14 13 20
2 | 7 11 5 8 4 27 15 14 24 13 13 16 26
3 | 10 19 3 6 5 21 23 16 26 10 14 10 13
4 | 5 14 4 7 5 16 8 13 21 17 13 18 12
5 | 9 17 6 6 1 12 17 12 19 10 9 17 19
6 | 11 11 4 7 7 21 8 10 26 10 10 18 11
7 | 3 9 7 1 2 9 13 12 14 15 18 8 19
8 | 4 18 10 2 8 26 20 7 14 13 14 12 11
9 | 5 5 3 7 4 17 13 8 5 17 17 15 14
10 | 9 6 9 7 5 11 14 12 10 10 21 16 13
11 | 11 6 3 8 10 8 19 13 14 12 10 15 6
12 | 3 5 7 7 16 14 17 17 14 11 11 19 18
13 | 2 8 2 1 16 12 9 15 8 5 10 19 9
14 | 6 3 4 7 13 6 6 8 4 9 7 13 10
15 | 4 5 6 8 11 9 5 4 4 6 8 5 8
16 | 3 1 1 1 11 11 5 9 5 12 2 6 9
17 | 8 1 4 1 2 6 5 7 2 23 1 11 5
18 | 5 1 2 3 6 4 6 7 5 6 7 4 6
19 | 6 0 2 6 8 2 4 6 5 6 7 11 2
20 | 6 1 1 6 10 7 2 13 6 9 2 12 10
21 | 4 1 4 4 15 9 17 9 9 13 4 7 9
22 | 8 2 2 5 16 9 14 15 16 3 9 9 8
23 | 6 6 2 13 19 11 7 16 6 9 9 13 13
---+---------------------------------------------------
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
| February 2001
Notes:
. data are not corrected for Sporadic E.
. got problem with this frequency during the middle of the month, which
explains
the bad observations.
Pierre Terrier
---------------------------------------------------------------------------
Observer: Garfield Tsao (BM2EQB)
Location: LonTan Observatory
LonTan, TauYan, Taiwan R.O.C. (121 14'37" E, 24 52'54" N by GPS)
Frequency: 50.0169 MHz USB mode 3 kHz width.
Antenna: Comet made 50 MHz Yagi HB 4 element (gain 10.3 dBi)
astronomical azimuth 225 deg (=NE), elevation 7 deg.
Transmitter: MIYAZAKI University Japan, USB mode, 50 W (24 hours),
distance about 1225 km from Lon Tan.
Receiver: AOR AR-5000 all band receiver +SDU-5000
Sensitivity: 0.2 uV for 10 dB S/N for USB mode
Observing method: the beacon 620 Hz voice signal (by FFTDSP) is received
by a low frequency filter (600 Hz) and fed into the D/A converter
and computer in real time.
Data sampling system: using an 8 bits A/D card to PC/AT and Qbasic program
with 1/8 second sampling interval to store the> 1.0 s reflections.
February 2000
2001|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23LT
Feb |16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15UT
----+-------------------------------------------------------------------------
3 | - - - - - - - - - - - - - - 15 12 13 11 11 7 8 10 14 11
4 |15 20 36 41 32 32 41 58 56 51 52 29 26 17 10 - - - - - - - - -
10 | - - - - - - - - - - - - - - 13 12 7 8 9 7 8 8 9 6
11 | 7 5 9 10 13 14 17 25 - - - - - - - - - - - - - - - -
17 | - - - - - - - - - - - - 11 13 8 10 11 E 6 07 10 12 08 18
18 |18 20 19 36 29 15 32 33 47 37 17 29 16 15 - - - - - - - - - -
24 | - - - - - - - - - - - - - 11 6 8 7 9 6 - - - - -
----+-------------------------------------------------------------------------
Feb |16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15UT
2001|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23LT
Notes:
. "E" weak E layer sporadic
. "in" artificial interference.
. lower counts in using the new receiver. The beacon signal seemed to be less
stable as well.
Garfield Tsao
---------------------------------------------------------------------------
Observer: Bruce Young
Location: Deception Bay, Queensland, Australia (27 30' S, 153 10' E)
Frequencies: 88.3 MHz
Transmitter: 88.3 MHz ABC Classic FM, 80 kW transmitter
Location Cootamundra, New South Wales (960 km)
Antenna: 3-element Yagi FM, horizontally polarised,
azimuth 215 degrees (SW), elevation 0 deg.
Amplifier: TV masthead amplifier 15 dB gain VHF
Receiver: Samsung domestic type FM radio, digital tuning
Observing: Electronic interface on LINE output audio signal is fed in
method COM1: of PC IBM 486 25 MHz.
METEOR v 4.0 version processes the signal and records on
floppy disk the time of the events.
METEOR parameters: THRESHOLD = 8
| January 2001
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
----+------------------------------------------------------------
0h| 26 20 23 30 34 23 25 26 26 29 29 19 31 15 43
1 | 20 12 19 16 20 17 15 15 17 20 8 24 16 17 *
2 | 12 7 8 11 13 7 29 12 11 21 10 * 7 5 *
3 | 9 10 14 17 20 13 25 15 19 11 9 * 7 4 6
4 | 35 11 12 20 19 11 10 12 13 7 4 * 3 8 6
5 | 12 9 6 13 13 14 9 8 15 14 5 10 6 4 8
6 | 3 4 9 10 16 12 14 13 11 13 9 2 6 4 7
7 | 12 11 11 9 10 16 17 18 18 15 6 6 7 9 7
8 | 9 16 6 16 15 24 25 17 12 16 13 * 10 11 8
9 | 10 17 7 18 11 18 14 16 15 26 13 15 15 9 10
10 | 18 16 18 21 23 27 23 16 14 30 16 25 19 19 12
11 | 30 21 21 23 41 41 39 26 35 38 20 26 30 21 23
12 | 30 38 46 39 45 51 57 43 42 53 45 41 38 32 29
13 | 42 43 35 42 53 54 53 57 45 49 39 47 39 45 38
14 | 41 42 37 55 53 59 64 68 55 58 61 48 44 37 38
15 | 54 27 56 59 74 69 52 65 75 58 55 54 60 40 47
16 | 62 33 44 46 72 50 46 52 60 56 46 67 55 57 47
17 | 32 43 39 53 60 45 58 61 64 52 45 55 58 37 30
18 | 24 43 44 41 57 51 51 68 64 43 59 39 48 42 34
19 | 35 53 54 71 60 59 59 82 60 48 47 68 53 27 61
20 | 54 79 54 79 79 63 58 61 67 64 40 46 53 39 62
21 | 42 59 57 74 65 62 80 66 76 56 55 66 54 61 66
22 | 55 42 47 54 54 56 76 66 86 49 56 84 51 55 *
23 | 21 38 38 40 33 46 56 48 52 * 51 40 36 53 *
----+--------------------------------------------------------------
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
| January 2001
| January 2001
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
----+----------------------------------------------------------------
0h| * 28 p 73 29 25 42 34 36 23 20 19 27 * 32 17
1 | 11 11 p 12 13 18 10 25 9 17 21 25 16 * 8 27
2 | 8 4 p 18 15 30 16 16 19 24 15 17 t 19 22 23
3 | 7 5 p 17 17 17 25 19 12 11 16 29 12 43 22 10
4 | 22 6 p 17 14 17 20 23 18 14 20 20 10 13 18 21
5 | 8 4 p 18 19 10 16 18 13 23 22 12 10 25 23 12
6 | 11 3 p 16 20 22 19 17 20 27 15 18 12 11 9 22
7 | 8 6 13 25 11 11 10 20 9 16 12 19 15 16 19 14
8 | 12 5 21 8 16 10 1 20 27 15 12 t 12 12 9 21
9 | 16 8 12 9 21 20 19 16 18 8 9 16 8 17 15 12
10 | 15 12 17 9 25 24 25 21 23 27 26 23 20 20 13 20
11 | 16 14 19 39 34 23 38 31 27 27 23 29 40 36 28 27
12 | 32 11 34 28 30 32 39 47 36 37 46 44 47 37 24 34
13 | 46 14 35 52 41 36 43 57 53 44 53 35 31 43 44 45
14 | 30 25 62 39 50 51 52 62 30 55 59 63 32 48 36 38
15 | 35 24 57 40 64 52 52 67 41 55 55 47 31 48 46 39
16 | 36 29 62 37 59 55 53 55 49 51 54 52 56 49 51 40
17 | 45 23 53 45 54 51 51 44 55 58 42 47 53 48 44 39
18 | 34 19 53 42 38 43 46 42 49 66 60 45 39 58 50 51
19 | 35 17 61 48 55 60 75 60 64 55 62 61 54 67 52 56
20 | 38 30 62 60 50 59 60 57 58 47 77 62 55 64 48 51
21 | 44 40 71 67 80 66 41 63 73 69 77 57 70 41 48 60
22 | 45 48 62 58 62 84 66 59 59 58 68 57 55 57 58 50
23 | 32 p 83 43 42 54 46 43 64 40 27 41 * 48 26 67
----+----------------------------------------------------------------
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
| January 2001
| February 2001
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
----+------------------------------------------------------------
0h| 62 18 13 11 * 22 22 16 21 19 21 * 33 24 24
1 | 20 7 11 9 * 13 13 17 14 17 12 * 12 17 12
2 | 18 14 9 13 21 18 16 5 19 17 15 * 13 13 21
3 | 11 19 13 23 17 17 27 14 15 19 15 * 19 22 15
4 | 16 11 8 12 20 21 27 12 13 19 11 * 17 19 17
5 | 19 9 14 8 13 17 11 15 24 17 8 * 19 16 21
6 | 17 17 6 14 12 17 18 20 18 18 12 13 20 9 12
7 | 16 7 9 17 20 16 14 12 14 14 * 13 6 10 17
8 | 17 11 14 23 24 19 25 12 12 17 * 11 12 21 8
9 | 14 9 13 23 13 30 * 19 28 19 * 21 15 25 24
10 | 22 19 22 23 28 24 4 27 56 8 * 17 36 23 19
11 | 19 17 19 28 37 29 12 19 29 27 * 26 * 19 30
12 | 39 26 14 48 38 31 19 28 38 20 * 34 * 33 44
13 | 35 19 23 52 38 29 29 32 31 17 * 34 44 31 35
14 | 41 27 20 34 29 45 29 40 37 39 * 29 44 36 34
15 | 46 26 41 51 43 42 37 39 38 24 * 38 55 46 33
16 | 46 33 52 53 44 45 27 31 42 42 * 50 49 46 47
17 | 51 28 27 51 43 41 46 39 44 43 * 37 35 51 43
18 | 43 24 25 50 36 36 31 39 39 39 * 42 42 39 30
19 | 40 28 29 54 63 43 53 48 40 36 * 57 58 48 57
20 | 43 39 29 58 54 44 62 53 54 45 * 50 57 58 53
21 | 37 35 35 60 61 47 57 63 41 49 * 60 47 49 55
22 | 34 37 44 14 71 52 52 32 46 50 * 57 44 44 47
23 | 28 15 30 16 39 38 41 34 22 26 * 32 37 32 36
----+--------------------------------------------------------------
UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
| February 2001
| February 2001
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
----+----------------------------------------------------
0h| 21 21 20 21 25 15 16 17 17 6 17 20 21
1 | 17 11 20 15 10 13 18 17 * 20 14 22 25
2 | 17 19 22 21 20 25 17 19 * 16 14 20 25
3 | 13 13 25 16 13 29 11 14 * 15 12 5 16
4 | 19 15 16 17 12 14 21 14 21 * 12 8 21
5 | 14 15 * 16 9 18 16 21 3 * 20 22 21
6 | 14 21 * 13 8 21 15 9 12 * 8 11 16
7 | 15 13 17 18 20 9 15 11 7 * 13 11 19
8 | 14 13 15 22 21 20 20 17 11 * 13 9 13
9 | 18 16 17 17 14 24 21 21 11 * 19 23 22
10 | 15 19 25 22 13 28 11 35 45 * 20 21 27
11 | 21 26 33 18 17 32 22 25 48 * 38 27 39
12 | 29 31 24 30 24 43 22 25 28 37 37 41 30
13 | 32 36 29 32 28 22 27 28 30 * 33 31 29
14 | 37 36 20 31 34 27 26 29 30 * 36 24 22
15 | 31 45 35 40 36 45 38 41 35 * 28 43 27
16 | 22 39 36 52 30 30 50 42 26 * 47 42 48
17 | 32 37 51 49 40 35 43 39 31 48 42 42 28
18 | 25 35 33 31 42 36 38 15 26 34 40 41 22
19 | 27 48 49 62 28 44 49 26 31 40 47 31 46
20 | 34 48 41 60 41 48 32 45 32 53 48 26 35
21 | 38 54 47 48 33 46 41 43 46 38 37 40 30
22 | 43 46 46 34 50 50 29 35 24 26 61 33 50
23 | 31 23 29 28 24 31 18 24 20 17 25 28 36
----+------------------------------------------------------
UT | 16 17 18 19 20 21 22 23 24 25 26 27 28
| February 2001
Notes:
. p power failure
. t thunderstorm
. * interference
. local time = UT + 10 hours
Bruce Young
2. ABOUT THE RMOB
The RMOB is an independent initiative of some workers in the field of radio
meteor scatter observations and data reduction. It started in August 1993 in
order to spread rapidly the Perseid results via E-mail. Since then, it has
appeared monthly, and it has gradually been expanded. In regularly publishing
summaries of observations, potential radio observers are kept up to date of
existing installations, possibilities and limitations of radio meteor
observations. In the long run, there should be sufficient observing stations
to cover the whole globe, allowing to detect stream outbursts which may
remain unnoticed visually.
RMOB contains typically: summaries of recent observations, equipment data,
first results of stream activity by radio methods, relations between radio
and optical meteors, references to other publications in the field of meteor
astronomy and radio scatter techniques, announcements of meetings, short
questions and answers, non-commercial (second hand) sale of radio equipment,
available software.
Contributors are mentioned, and interested persons are asked to contact them
directly.
RMOB can be copied freely in unabridged and unmodified form. Extracts should
indicate the source (Radio Meteor Obs Bulletin, month and year).
If you want to subscribe (or un-subscribe) to the E-mail distribution list,
please send a message to C. Steyaert.
Those not having access to E-mail can obtain a printed copy free of charge
from J. Van Wassenhove (current or back-issues).
3. CONTRIBUTORS / USEFUL ADDRESSES
Enric Fraile Algeciras (EA3BTZ)
C/ Moianes 19-21 Esc. A 6º 1ª, E Barcelona
mailto:Ea3btz@retemail.es
http://personal3.iddeo.es/ea3btz (in Spanish)
Michael Boschat
6391 Liverpool St., Apt.1, Halifax, Nova Scotia, Canada B3L 1Y1
mailto:andromed@atm.daldot ca
Gabor Bucsi (Gabo)
Bekes, Hungary
mailto:gabo_hu@bekesnet.hu
Maurice De Meyere (ON4NU)
Hullekensstraat 24, B-9831 Deurle, Belgium
tel: +32 (9) 282 35 26
mailto:mauricedot de.meyere@econophonedot be
Ghent University, Astronomical Observatory
Krijgslaan 281(S9), B-9000 Gent, Belgium
mailto:Pierredot deGroote@rug.acdot be, mailto:paul_vauterin@applied-maths.com
H. W. Kelsey, A.L.P.O.
Conway, Arkansas, USA
mailto:wkelsey@conwaycorpdot net
Szabolcs Kiss
mailto:achilles@freemail.hu
Lycee Langevin, Patrick Decomble
La Seyne sur Mer, France
mailto:sti.langevin.nice@wanadoo.fr
Alastair McBeath
IMO: International Meteor Organization
12A Prior's Walk, Morpeth, Northumberland, NE61 2RF, England, U.K.
mailto:vice_president@imodot net
Stan Nelson, KB5VL
Roswell, NM 88201, USA
mailto:sanelson@rt66.com
Hiroshi Ogawa
University of Tsukuba, Japan
mailto:HZH02257@nifty.ne.jp
Radio Meteor Obs. http://homepage2.nifty.com/~baron/radio.htm
Sadao Okamoto
mailto:s-okamo@js.sugiyama-u.ac.jp
Ton Schoenmaker, Dutch Meteor Society
Meester Homanstraat 8, NL-9301 HP Roden, Netherlands
mailto:schoenmaker@NFRAdot nl
Call: PA0EFA
Chris Steyaert, VVS
Kruisven 66, B-2400 Mol, Belgium
tel: +32 (14) 31 51 04
mailto:steyaert@vvsdot be
Dave Swan
Christchurch, UK
mailto:daveswan@dorsetpubs.com
Ervin Szlanicska
Leg, Slovakia
mailto:szervin@miesto.sk
Istvan Tepliczky
Budapest, Hungary
mailto:tepi@mcse.hu
Pierre Terrier
Canet (close to Montpellier), France
mailto:pierre.terrier@free.fr
http://members.tripod.com/~astro_electronic/index.html
Meteor & Colorgramme web site: http://page.to/meteor/
Visual RMOB web site : http://page.to/rmob/
Garfield Tsao (BM2EQB)
LonTan Observatory, LonTan, TauYan, Taiwan
mailto:tsao5916@ms4.accmail.com.tw
http://www.geocities.com/Eureka/Office/1528 (in Chinese)
Jeroen Van Wassenhove, VVS
Kouterstraat 25, B-9750 Zingem, Belgium
tel: +32 (9) 384 04 12
mailto:100101.734@compuserve.com, mailto:JeroenVanWassenhove@yucomdot be
Bruce Young
Brisbane, Australia
mailto:B.Young@uqdot net.au
Ilkka Yrjola
Kuusankoski, Finland
http://www.sci.fi/~oh5iy
Ham Call: OH5IY
--
Christian Steyaert (RMOB0102) 8 March 2001
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