Saturday, February 17, 2018

Fox-1D (AO-91) Safe Mode Message

I thought I'd post a recording of Fox-1D's safe mode message. The voice's name is Veronica, by the way, and when the bird is in safe mode it transmits two full frames of telemetry, (one Current frame followed by, and alternating each ID cycle, a High or a Low frame).




Unfortunately, I haven't yet been able to successfully demodulate telemetry from either Fox-1D or Fox-1B. I am going to get serious about figuring out why it hasn't been working. I have a hunch that the filter isn't wide enough on my two meter radios to receive the whole signal. I suspect I may have luck using my RTL-SDR device. The next chance I have, I will test that theory and report back.

As always, happy hunting!

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