This page is dedicated to the Four Marks 2m repeater, GB3SN.  It operates on the 145MHz amateur band and is located at Four Marks, near Alton, Hampshire.

GB3SN (Susan) is run by the UK FM Southern Repeater Holding Group.  Like most other groups, it is run and funded purely by enthusiasts who give their time and money to maintenance of the repeater.

Please follow the What's new link to find out about the latest engineering work - and its associated cost.

- Welcome ! -

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What's new


Site Tour

GB3SN Specification


Coverage comparison with GB3FN (UHF) and GB3FX (6m)

Link to Farnham VHF Group Home Page

 SN Coverage Map

The repeater serves most of Hampshire, and parts of Sussex, Surrey, Berkshire, Wiltshire and Dorset.

Owing to a severe lack of enthusiasm for committee posts, the group has been unable to elect a full committee for the last few years.  It is therefore run by G8ATK, G4EPX and G3VYI.  However, the downside of an inactive group is that it's easy for donations and membership to slide - we still need the support of regular users!

To join, contact or donate to the group, please contact Mike, G8ATK who looks after the money matters.

Mike's contact details:
Tel/Fax: 01252 715765, or contact using email to this link.

Why has this page been located here?  The Farnham VHF Group home page is also on this site and although the groups are unconnected, they share a technical officer (G4EPX).  We needed somewhere economical to promote the group and this is free!


Copyright 2001-2021 The UK FM Southern Repeater Holding Group