Callsigns starting with KA4
| Callsign | Last heard | Comment |
|---|---|---|
| KA4BNI-5 | 1m55s ago | /W3,TNn-n Mt Gilead TN |
| KA4BOI-5 | 6h15m ago | Hello World! Winlink |
| KA4CID-1 | 4m59s ago | Echolink on 443.300 PL 97.4 |
| KA4DRZ-15 | 3m55s ago | SharkRF openSPOT3 |
| KA4EMA-3 | 11m57s ago | Tx/Rx-iGate + Digipeater, Hamilton County, TN EMA |
| KA4FOX-10 | 42m30s ago | 145.090MHz Winlink VARA FM Gateway |
| KA4FOX B | 4m25s ago | 70cm Voice (D-Star) 432.70000MHz +0.0000MHz |
| KA4FOX-B | 4m15s ago | 70cm Voice (D-Star) 432.70000MHz +0.0000MHz |
| KA4HLO-RP | 1m4s ago | 444.200MHz T094 KA4HLO Repeater |
| KA4J-3 | 9m53s ago | (Time 0:00:00)Cleveland ARC - www.carc.cc |
| KA4JMC | 6m26s ago | XRSW |
| KA4KQA-N | 6h31m ago | 70cm MMDVM Voice (C4FM) 447.00000MHz +0.0000MHz, KA4KQA_Pi-Star_ND |
| KA4ROP B | 3s ago | 70cm Voice (D-Star) 433.30000MHz +5.0000MHz |
| KA4ROP-B | 20m22s ago | 70cm Voice (D-Star) 433.30000MHz +5.0000MHz |
| KA4RVT B | 4m9s ago | 440 Voice 444.5000 +5.00 MHz |
| KA4RVT-B | 4m24s ago | 440 Voice 444.5000 +5.00 MHz |
| KA4RVT C | 4m9s ago | 2m Voice 145.3300 -0.600 MHz |
| KA4RVT-C | 4m24s ago | 2m Voice 145.3300 -0.600 MHz |
| KA4X-7 | 8m28s ago | 443.300MHz Mobilinkd TNC4 |
| KA4YMY | 11m57s ago | .weewx-5.5.2-Vantage |
| KA4YMY-10 | 16m34s ago | 9600 Baud APRS iGate 445.975Mhz |
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