I second this. L/V mode would certainly beat the batteries up much less due to the lighter traffic load. I agree with Dave, there are plenty of U/V passes...
73 Jeff kb2m
-----Original Message----- From: AMSAT-BB [email protected] On Behalf Of Andrew Glasbrenner via AMSAT-BB Sent: Monday, September 14, 2020 7:08 PM To: 'David Worboys' [email protected] Cc: 'AMSAT BB' [email protected] Subject: Re: [amsat-bb] AO-92
Certainly to be considered...
73, Drew KO4MA
-----Original Message----- From: David Worboys [email protected] Sent: Monday, September 14, 2020 6:40 PM To: Andrew Glasbrenner [email protected] Cc: AMSAT BB [email protected] Subject: Re: [amsat-bb] AO-92
Drew, would it be possible that if you are able command it back on an ad-hoc basis it could be commanded into L/V mode for those sessions? There are plenty of U/V opportunities up there for anyone already.
On Sep 14, 2020, at 6:12 PM, Andrew Glasbrenner via AMSAT-BB [email protected] wrote:
I've mostly been posting about it on Twitter.
AO-92 has a cell that's failing, and towards the end of many eclipses it goes into auto-safe mode at 3.6v. If the battery drops low enough the IHU resets, and it comes back up in normal safe mode. Mark and I have been commanding to repeater mode on the first available pass after the resets, but it's not a long term sustainable answer. Last night Mark commanded the transmitter completely off while we consider a plan of action.
Leaving autosafe on and the tx off, we may be able to turn the repeater on ad-hoc for weekends or such, completely dependent on command station availability. Turning autosafe and the IHU off like we did with AO-85 will kill the satellite pretty quickly, so that's not a good response either. So, we'll look at resets and battery states before this weekend and see where we stand.
73, Drew KO4MA AMSAT VP Operations