- Callsign: GB3OA
- Location: Southport Town Centre, close to the railway station – IO83LP
- Frequency: RV49 (145.6125MHz) using narrow FM (2.5kHz deviation)
- Offset: -600kHz
- CTCSS: *Required* 82.5Hz
- 1750Hz Toneburst Access: none
- Timeout: five minutes, RF to RF (IRLP and Echolink: four minutes)
- Power output: 5w from a Diamond X50 antenna
- Coax: Westflex 103
- Filter Set: Sinclair Q2330E
- IRLP Node: 5302
- EchoLink Node: 5302
- Hardware: Tait T375 receiver and Tait T377 transmitter
- Logic: ICS Linker II
- Internet streaming of GB3OA is available. See The Stream page.
Details of GB3OA can also be found on the ETCC website.