Callsigns starting with R4
| Callsign | Last heard | Comment |
|---|---|---|
| R4ADX | 1m29s ago | op. Anton; 145.500 MHz; https://unlis.net |
| R4ADX-10 | 17m54s ago | |
| R4CIY | 1m44s ago | R4CIY FRN Node Regions | 145.350 #127.3 | More info: frn.su |
| R4FC-3 | 9m5s ago | +FT8 Russian station | https://t.me/ft8digiclub |
| R4HFZ | 10m5s ago | +FT8 Russian station | https://t.me/ft8digiclub |
| R4IT | 4m25s ago | +R4IT Home HF radio |
| R4KK-D | 12m1s ago | 70cm MMDVM Voice (DMR) 438.20000MHz -7.1000MHz, APRS for DMRGateway |
| R4NAY | 10m12s ago | CHT-Malinka |
| R4NAY-1 | 9m44s ago | LoRa APRS 433.775 MHz |
| R4NAY-3 | 3m45s ago | LoRa APRS 433.775 BW125 CR4/5 SF12 300bd |
| R4NAY-5 | 10m22s ago | Packet Radio Node+LoRa AX.25 port 433.775 MHz |
| R4SAZ | 10m2s ago | Serj_SAZ |
| R4SCK-1 | 3h30m ago | LoRa APRS |
| R4SCK-2 | 4m6s ago | LoRa APRS |
| R4SCK-SG | 9m33s ago | Weather ballon receiver 403Mhz rdzTTGOsonde-Alex_ver_3.2.2P |
| R4-S.JUAN | 28m37s ago | R4 REMER S.JUAN DE LA PEÑA 146.700Mhz Tono 82.5Hz |
| R4ZZ | 4m25s ago | +R4ZZ Nick | LO35RM | CU-05 |
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