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(meteorobs) leo radio report
Observer: Norman Davis
Location: Shingle Springs, California USA (38.41/120.57)
Antenna: 3 element TV Yagi, Radio shack 10db preamp and antenna direction
east, elevation 40 deg.
Receiver: IC-7000 at 67.2499 MHz, USB Mode.
Transmitters: Unknown TV channel 4 that could be anywhere beween me and New
York.
Observing method: automatic setup using FFTDSP42t software by AF9Y to record
the audio signal.Sound card SB AWE-64. 20 channels of 2 Hz width
are used for meteor
identification, pictures with interference, sporadic-E, E-layer
and FAI propagation are manually rejected.
Data reduced by Werfried Kuneth
Nov97, counts are calc. for full hour, Transmitter(s): A - CA
!Total minutes above treshhold (calc. to full hour)
Start ofthe! !Total number of meteors detected per hour
interval in! ! !The single longest reflection (seconds)
minutes ! ! !
from Jan 1,! ! ! !Fraction of Time avail.:e.g.20minutes=0.33
00:00:00 UT! ! ! ! !Overdense count (35+ seconds)
! ! ! ! ! !
v v v v v v
461040,11.82, 43, 24,0.28, 11,17Nov97, 4:00
461100, 1.55, 28, 2,0.84, 0,17Nov97, 5:00
461160, 3.93, 43, 14,1.11, 1,17Nov97, 6:00
461220, 9.35, 31, 94,1.11, 2,17Nov97, 7:00
461280, 4.84, 42, 8,0.84, 1,17Nov97, 8:00
461340,17.88, 57, 50,1.11, 8,17Nov97, 9:00
461400,21.90, 68, 48,0.84, 10,17Nov97,10:00
461460,22.18, 75, 60,1.11, 10,17Nov97,11:00
461520,29.66, 76, 45,1.11, 15,17Nov97,12:00
461580,26.83, 80, 30,0.84, 16,17Nov97,13:00
461640,28.84, 79, 44,1.11, 18,17Nov97,14:00
461700,31.02, 69, 38,0.84, 18,17Nov97,15:00
461760,22.67, 81, 36,1.11, 11,17Nov97,16:00
461820,20.20, 36, 48,0.28, 4,17Nov97,17:00
Duration distribution for Nov97,counts are calculated for full hour
Transmitter: A - CA
-------------------------------------------------------------------------
minute !2.5 seconds count (underdense)
at ! !3-7 sec count
begin ! ! !8-15 sec
of ! ! ! !16-30 sec
interval ! ! ! ! !31-62 sec
! ! ! ! ! ! !63-127 sec
! ! ! ! ! ! ! !128-249 sec
! ! ! ! ! ! ! ! ! >=250 sec
! ! ! ! ! ! ! ! ! !fraction of time avail.
! ! ! ! ! ! ! ! ! ! !begin of hour
v v v v v v v v v v v
461040, 25, 7, 0, 0, 7, 4, 0, 0,0.28,17Nov97, 4:00, +
461100, 20, 6, 1, 0, 0, 0, 0, 0,0.84,17Nov97, 5:00, +++
461160, 27, 9, 6, 0, 0, 1, 0, 0,1.11,17Nov97, 6:00, ++++
461220, 24, 2, 2, 1, 1, 0, 0, 1,1.11,17Nov97, 7:00, ++++
461280, 20, 8, 6, 6, 1, 0, 0, 0,0.84,17Nov97, 8:00, +++
461340, 29, 13, 3, 4, 2, 5, 0, 1,1.11,17Nov97, 9:00, ++++
461400, 34, 12, 10, 4, 2, 5, 2, 0,0.84,17Nov97,10:00, +++
461460, 31, 16, 12, 6, 4, 4, 1, 1,1.11,17Nov97,11:00, ++++
461520, 25, 17, 6, 13, 6, 6, 3, 0,1.11,17Nov97,12:00, ++++
461580, 28, 17, 11, 10,10, 4, 2, 0,0.84,17Nov97,13:00, +++
461640, 27, 15, 7, 12,11, 6, 1, 0,1.11,17Nov97,14:00, ++++
461700, 17, 16, 12, 7,11, 2, 5, 0,0.84,17Nov97,15:00, +++
461760, 28, 17, 15, 10, 4, 4, 2, 0,1.11,17Nov97,16:00, ++++
461820, 7, 11, 11, 4, 0, 0, 4, 0,0.28,17Nov97,17:00, +
Raw counts of reflections longer than 30 seconds, assumed
to be Fireballs.
| Nov 1997
UT| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
---+---------------------------------------------------------------------
0|
1|
2|
3|
4|
5| 0
6| 1
7| 2
8| 1
9| 9
10| 8
11| 11
12| 17
13| 13
14| 20
15| 15
16| 12
17|
18|
19|
20|
21|
22|
23|
---+---------------------------------------------------------------------
UT| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
| Nov 1997
Counts of reflections longer than 8 seconds, assumed
to be overdense.
| Nov 1997
UT| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
---+---------------------------------------------------------------------
0|
1|
2|
3|
4|
5| 1
6| 7
7| 4
8| 13
9| 15
10| 23
11| 28
12| 34
13| 36
14| 37
15| 37
16| 36
17|
18|
19|
20|
21|
22|
23|
---+---------------------------------------------------------------------
UT| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
| Nov 1997
counts of 2.5 seconds length (shortest period available)
| Nov 1997
UT| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
---+---------------------------------------------------------------------
0| , , , , , , , , , , , , , , , , ,
1| , , , , , , , , , , , , , , , , ,
2| , , , , , , , , , , , , , , , , ,
3| , , , , , , , , , , , , , , , , ,
4| , , , , , , , , , , , , , , , , ,
5| , , , , , , , , , , , , , , , , 20,
6| , , , , , , , , , , , , , , , , 27,
7| , , , , , , , , , , , , , , , , 25,
8| , , , , , , , , , , , , , , , , 21,
9| , , , , , , , , , , , , , , , , 31,
10| , , , , , , , , , , , , , , , , 36,
11| , , , , , , , , , , , , , , , , 34,
12| , , , , , , , , , , , , , , , , 29,
13| , , , , , , , , , , , , , , , , 31,
14| , , , , , , , , , , , , , , , , 30,
15| , , , , , , , , , , , , , , , , 19,
16| , , , , , , , , , , , , , , , , 31,
17| , , , , , , , , , , , , , , , , ,
18| , , , , , , , , , , , , , , , , ,
19| , , , , , , , , , , , , , , , , ,
20| , , , , , , , , , , , , , , , , ,
21| , , , , , , , , , , , , , , , , ,
22| , , , , , , , , , , , , , , , , ,
23| , , , , , , , , , , , , , , , , ,
---+---------------------------------------------------------------------
UT| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
| Nov 1997
***end
References: