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GB3BS / GB7BS

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GB3BS - RU68 - Operational

GB7BS - DVU13 - Operational

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 or GB7BS, would like to report any issues or just wish to send us a report then please use our Contact Us page.

For the latest news on what is and has been going on with both repeaters, please visit our News section.


GB3BS / GB7BS 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).
  • The GB3BS Repeater is on channel RU68 and operates a 25KHz channel system.
    GB3BS is CTCSS access only (118.8Hz Tone J).

    The GB7BS DMR Repeater is on channel DVU13, Colour Code 3.
    Local Repeater traffic is on Time Slot 1, Talk Group 9.
    South West Cluster network is on Time Slot 2, Talk Group 950.
    Please use the Menu's at the top of the page to navigate this website.
    This site was last updated on April 25th, 2015.
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