reverse_beacon

Description:

reverse beacon

reverse_beacon #
A simple dart library that transforms the reverse beacon telnet CW and DIGI servers into a controllable broadcast stream.
This library is designed to be used in client applications, hence the exposed exception types.
Reverse Beacon: https://www.reversebeacon.net/ Support them if you can
Reverse Beacon Telnet Server Info: https://www.reversebeacon.net/pages/Telnet+servers+30
this project is in no way officially associated or supported by Reverse Beacon, but I certainly appreciate everything they do. And obviously
this wouldn't work without them
Usage #
import 'dart:io';

import 'package:reverse_beacon/reverse_beacon.dart';
import 'package:reverse_beacon/src/cw_spot.dart';


void main() async {
var rb = ReverseBeacon();
try {
await rb.connect(callsign: 'n1bri');
} on TelnetCommunicationException catch (_) {
print('Telnet Communication Exception');
exit(-1);
} on InvalidCallsignException catch (_) {
print('Invalid callsign');
exit(-1);
} catch (ex) {
print('unknown issue');
exit(-1);
}
int spotCount = 0;
rb.listen((spot) {
//filter
if (spotCount < 5) {
if (spot.band == Band.meters20 && spot.mode == Mode.cw) {
if ((spot as CWSpot).wpm >= 15) {
print(spot);
spotCount++;
}
}
} else if (spotCount >= 5) {
if (spot.band == Band.meters20 && spot.mode == Mode.ft8) {
print(spot);
spotCount++;
}
}

if (spotCount == 10) {
rb.close();
}
});
}

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Output Ex.
skimmer: DL8TG, spotted: UD4D, wpm: 31, mode: Mode.cw , band: Band.meters20, freq: 14014.0 KHz, @11:35 , snr: 13, type: SpotType.cq
skimmer: HA8TKS, spotted: DL7DAX, wpm: 31, mode: Mode.cw , band: Band.meters20, freq: 14052.5 KHz, @11:35 , snr: 19, type: SpotType.cq
skimmer: DR4W, spotted: UD4D, wpm: 32, mode: Mode.cw , band: Band.meters20, freq: 14014.0 KHz, @11:35 , snr: 15, type: SpotType.cq
skimmer: IK4VET, spotted: DL7DAX, wpm: 31, mode: Mode.cw , band: Band.meters20, freq: 14052.5 KHz, @11:35 , snr: 16, type: SpotType.cq
skimmer: OG66X, spotted: UD4D, wpm: 32, mode: Mode.cw , band: Band.meters20, freq: 14014.0 KHz, @11:35 , snr: 10, type: SpotType.cq
skimmer: VU2CPL, spotted: JA2JKE, gridsquare: PM84, mode: Mode.ft8 , band: Band.meters20, freq: 14074.0 KHz, @11:35 , snr: -17, type: SpotType.cq
skimmer: VU2CPL, spotted: JF2RYX, gridsquare: N/A, mode: Mode.ft8 , band: Band.meters20, freq: 14074.0 KHz, @11:35 , snr: -19, type: SpotType.cq
skimmer: NG7M, spotted: W8UPI, gridsquare: EM85, mode: Mode.ft8 , band: Band.meters20, freq: 14074.0 KHz, @11:35 , snr: 0, type: SpotType.cq
skimmer: S50U, spotted: PD4SN, gridsquare: JO32, mode: Mode.ft8 , band: Band.meters20, freq: 14074.0 KHz, @11:35 , snr: -12, type: SpotType.cq
skimmer: S50U, spotted: PG7R, gridsquare: N/A, mode: Mode.ft8 , band: Band.meters20, freq: 14074.0 KHz, @11:35 , snr: -13, type: SpotType.cq

Exited.
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