[amsat-bb] Setting memory frequencies for FM satellite operation

B J va6bmj at gmail.com
Sat Sep 17 19:09:51 UTC 2016


On 9/17/16, Ronald G. Parsons <w5rkn at w5rkn.com> wrote:
> Is there a computer program that will compute a table of time, azimuth,
> elevation for a given satellite and station location for a set of Doppler
> corrected frequencies (both uplink and downlink) in user-specified frequency
> intervals.
>
> For example, SO-50
>
> TIME       AZ    EL    UP            DOWN
> 0959:00    10    34    145982.17     435165.53
> 1000:00    44    46    145980.66     435170.05
>
> but where the frequencies are in user-defined increments of 2.5 or 5.0 kHz.
>
> This would simplify choosing frequency memories for handhelds and when to
> switch memories when operating FM satellites.

<snip>

I've always followed the instructions in the manual for my FT-817 for
programming and labeled the memories in accordance with the key points
in a pass:  AOS, TCA, and LOS.  Once I'm on a bird, I simply switch
between memories when the downlink starts sounding a bit fuzzy.

73s

Bernhard VA6BMJ @ DO33FL


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