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(meteorobs) MS: gamma-Leonids



The next shower of note to radio observers (based on the listing of daytime
radio meteor streams on the IMO website--Table 4) could be the
gamma-Leonids (not to be confused with the Leonids in November). It is a
minor shower with a low rate, however what makes it interesting is that it
is a daytime radio shower. At the end of the message is a listing I have
prepared of times/antenna directions to try. The calculations are based on
latitude 44 deg. N. I've put an asterisk beside the optimum times. The % in
the list refers to the probability of hearing a meteor-reflected signal IF
THERE IS A SUITABLY POSITIONED METEOR. Times/dates in the listing are UTC.
Note that the times can change by +/- 3 hours.


Shower: gamma-Leonids
Peak date: Aug. 25


Listing of peak radio times (on the peak date) for various antenna
directions. (N=north, NE=northeast, etc.)
Time    Direction    Effectivity
0230          N          78%
0300          N          87
*0330        N          92
*0400        N          93
*0430        N          90
0500          N          82

0300         NE         78
0330         NE         87
*0400       NE         93
*0430       NE         96
*0500       NE         96
*0530       NE         91
0600         NE         83

0300         S            87
*0330       S            96
*0400       S            99
*0430       S            97
*0500       S            90
0530         S            78

0430         SW         80
0500         SW         85
0530         SW         87
0600         SW         84
0630         SW         78

0830         SE          81
0900         SE          86
0930         SE          87
1000         SE          84
1030         SE          78

0830         NW        76
0900         NW        86
*0930       NW        93
*1000       NW        96
*1030       NW        96
*1100       NW        91
1130         NW        84

0930         N          75
1000         N          86
*1030       N          92
*1100       N          93
*1130       N          90
1200         N          84

0930         S           83
*1000       S           93
*1030       S           99
*1100       S           98
*1130       S           93
1200         S           83

Phil Gebhardt
pgebhardt@compuserve.com
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