Does AMSAT want AO-85 decoded frames after the fact?
General question for those at AMSAT watching the data come in on the server.
Are frames decoded after the fact useful to you guys, or does it just confuse the servers and mess up time stamps? I've been messing around with my GNU radio setup and have low speed mode pretty much figured out. For the high speed mode pass earlier, I got nice strong signal but failed to decode. Pretty sure thats all my fault and I need to go back and tweak my flowgraphs. I did make a raw IQ recording of the pass so that I can go back and play around with GNU Radio until I get high speed mode decoding on FoxTelem.
So the question is, while I'm messing around with that would you prefer that I upload to the server or not? Eventually I hope to dig out the missed frames (they're in there on my hard drive, I just need to coax them out!), but I don't want to muddle up the time stamps on the AMSAT Server. Are the telemetry frames uniquely coded in some way that you can tell that I uploaded it 4 hours after it was overhead (like when I upload sequence number 12, and everyone else is on sequence number 482? for example)? Or are the timestamps based on the receiving computer's clock, and I should be sure to uncheck the 'upload to server' block when I go back to play with IQ recordings so as not to inject false timestamps to the server?
And by the way: Go AMSAT!!!! Congrats all around! Exciting day today.
Thanks in advance,
-Zach, KJ4QLP
Hi Zach,
If you haven't sent the frames to the server, you can certainly send them when you do your play back later. As long as they are unique to your station they will be added to the data and your telemetry count.
Jerry N0JY
On 10/8/2015 22:52, Zach Leffke wrote:
General question for those at AMSAT watching the data come in on the server.
Are frames decoded after the fact useful to you guys, or does it just confuse the servers and mess up time stamps? I've been messing around with my GNU radio setup and have low speed mode pretty much figured out. For the high speed mode pass earlier, I got nice strong signal but failed to decode. Pretty sure thats all my fault and I need to go back and tweak my flowgraphs. I did make a raw IQ recording of the pass so that I can go back and play around with GNU Radio until I get high speed mode decoding on FoxTelem.
So the question is, while I'm messing around with that would you prefer that I upload to the server or not? Eventually I hope to dig out the missed frames (they're in there on my hard drive, I just need to coax them out!), but I don't want to muddle up the time stamps on the AMSAT Server. Are the telemetry frames uniquely coded in some way that you can tell that I uploaded it 4 hours after it was overhead (like when I upload sequence number 12, and everyone else is on sequence number 482? for example)? Or are the timestamps based on the receiving computer's clock, and I should be sure to uncheck the 'upload to server' block when I go back to play with IQ recordings so as not to inject false timestamps to the server?
And by the way: Go AMSAT!!!! Congrats all around! Exciting day today.
Thanks in advance,
-Zach, KJ4QLP _______________________________________________ Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
participants (2)
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Jerry Buxton -
Zach Leffke