[amsat-bb] ANDE Beacons

Robert Bruninga bruninga at usna.edu
Thu Jan 18 06:34:33 PST 2007

> On Behalf Of Mineo Wakita
> 145.825 MHz, 1200bps AX.25    JST
> ANDE-1>APRS1,SGATE [01/13/07  06:25:39] <UI>:
> :BLN1ANDE :ANDE-1 only wakes up 1  of evry 15s for users. Pse 
> conserve.

Since ANDE sleeps most of the time, and only awakes on activity,
we programmed the Satellite's KPC-3 TNC to schedule the beacons
so that they would give an idea of how long ANDE was kept awake.
The above beacon comes out 15 seconds after awakening.  The odd
spelling and spacing make the bulletins wrap nicely on the D7
and D700 radio front panel displays.

Here are the beacons and their times since awakening:

 15s: ANDE-1 only wakes up 1  of evry 15s for users. Pse
105s: ANDE stays  awake for 30 secs after last pkt heard.
 10m: I've been on over 10m & need to save power.  Thanks.

I have never seen the last one.  This is good news, and means we
are conserving power on this non-solar powered satellite. (115
"D" cell Lithium cells).

Since ANDE has a voice synthesizer, I thought about programming
voice beacons, based on my daughter's morning responses to being
woken up...  But then it would make the satellite useless before
noon on weekends...


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