I’m trying to identify this signal at 928.807 MHz. A sample of the raw I/Q from gqrx is here (9.2 MB, .wav, 48000 Hz) and this is the waterfall:
I’ve tried decoding some common digital modes (including CW) with fldigi but have not had success.
I’m using an RTL-SDR with a telescopic antenna, and I’m in Stillwater, OK.