4 ms·
SDR is great. I'm using an RTL-SDR dongle together with the rtlamr software to read my gas meter. It provides measurements about every 30 seconds, and my gas co
by dgacmu 3y ago
SDR is great. I'm using an RTL-SDR dongle together with the rtlamr software to read my gas meter. It provides measurements about every 30 seconds, and my gas company doesn't give any real-time data. Quite handy.
(and I run an adsb receiver, which incidentally provides free access to FlightAware and other services if you share with them.)
- demondemidi 3y agoWhat frequency is your gas meter transmitting at?
- dgacmu 3y agoThe 900Mhz ISM band, specifically: (dump from rtlamr output) 07:12:02.921590 decode.go:45: CenterFreq: 912380000 07:12:02.921659 decode.go:46: SampleRate: 2359296 07:12:02.921663 decode.go:47: DataRate: 32768 07:12:02.921666 decode.go:48: ChipLength: 72 07:12:02.921669 decode.go:49: PreambleSymbols: 32 07:12:02.921672 decode.go:50: PreambleLength: 4608 07:12:02.921674 decode.go:51: PacketSymbols: 736 07:12:02.921677 decode.go:52: PacketLength: 105984 07:12:02.921681 decode.go:59: Protocols: scm,scm+,idm,r900