Welcome to the Bristol 70cms Repeater Group Website.

The primary aim of the repeater is to provide good coverage for hand-portable & mobile users in the built-up areas of Bristol and its conurbations. In addition, the coverage extends well into other counties. While not extensive, below is a general overview of the coverage both in and around our region.

Motorway Coverage.

The repeater provides excellent unbroken coverage of the following Motorway network.
M32 into Bristol.
M48 Old Severn Bridge crossing.
M49 Between Avonmouth and Pilning.
M4 West past Cardiff, as far as junction 33 including the A48(M) into Cardiff city.
M4 East towards Swindon junctions 16 & 15.
M5 North to the outskirts of Gloucester at junction 12.
M5 South to Weston-Super-Mare at junction 21.

Towns & Villages with good mobile coverage.

Chippenham, Corsham, Box, Swindon (west), Hullavington, Malmsbury, Sopworth, Cirencester, Charlord, Nailsworth, Cricklade, Calne, Melksham, Sherston, Devizes, Trowbridge, Westbury, Wootton Bassett, Lyneham, Tetbury, Witney, Didmarton, Shepton Mallet, Radstock, Midsomer Norton, Pensford, Ubley, Churchill, Nailsea, Clevedon, Portishead, Magor, Penoylan, Caldicot, Rogiet, Chepstow, Cardiff, Lydney, Berkeley.

Towns & Villages with partial mobile coverage.

Bath, Swindon (east), Bradford on Avon, Frome, Highworth, Castle Cary, Yeovil, Weston-Super-Mare, Congresbury, Yatton, Wrington.

We are of course always interested in receiving any reports, good or bad, that users out there can provide us with. If you have any problems using GB3BS, would like to report any issues or just wish to send us a report then please use our Contact Us page.

For the very latest news on what is and has been going on with GB3BS, then please visit our News section.


If you are a regular user of GB3BS why not show your support.
Become a member or make a donation!

GB3BS is located at the Avon Fire & Rescue centre at Lansdown 13km East of the City of Bristol.

  • NGR: ST 716 702 (IO81TK)
  • 51.43054 N. -2.40905 W
  • Site Elevation: 764ft/233m (ASL). Antenna Height: 100ft/30m (AGL).
  • OUTPUT: 430.850 MHz
    INPUT: 438.450 MHz

    The Repeater is on channel RU68.
    Please remember that we are using a +7.6MHz shift rather than the old +1.6MHz
    GB3BS supports both CTCSS 118.8Hz (Tone J) and 1750Hz tone burst access.

    Please use the Menu's at the top of the page to navigate this website.
    This site was last updated on April 22nd, 2012.
    (C)2009-2012 The Bristol 70cms Repeater Group
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