Reading VHF


GB3RD is located at Aldworth in Berkshire approximately 17Km North West of Reading. The locator square for this repeater is IO91JM.

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Channel R3 (RV54)
Transmit Frequency 145.675 MHz
Receive Frequency 145.075 MHz
Antenna C&S Antennas7073 colinear, gain 6dBd at 145 Mhz
ERP 14dBW (25W)
Access Method CTCSS 118.8Hz (J)
Base station Key Radio Systems KF150 base station
Configuration Single aerial working using a Wavetech duplexer
Coverage Click here to view predicted coverage (60k). Plot provided by the ETCC



GB3RD provides coverage along the M4 from the M25 junction in the east along to Membury Services in the west. Southern coverage extends to beyond Basingstoke on the M3 and up to Banbury on the M40 to the north.








Repeater Keeper

The repeater keeper for GB3RD is Andrew Barrett (G8DOR)
If you wish to contact the keeper please e-mail Any other queries about the Thames Valley Repeater Group should be e-mailed to the relevant member whose details can be found on the contacts page