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RV63 - Out 145.7875 MHz - In 145.1875 MHz - 103.5 Hz ctcss (G).


GB3JB is funded solely by donations from its' users and supporters. There is no club or group to join and no annual membership fee. We rely totally on your good will.

The system is located in South Wiltshire, in IO81vc, and provides coverage across South Wiltshire, South Somerset and North Dorset, with specific areas such as the City of Salisbury, Salisbury Plain, the Blackmore Vale and Cranborne Chase being well within its range. Coverage also extends, for fixed stations, across most of central and parts of North Wiltshire, Southern Dorset and West Hampshire, plus parts of North and West Somerset. See coverage map.

GB3JB is an analogue voice repeater, with no internet linking, simple intuitive logic and no bells or whistles. The beacon sends callsign and locator. The invitation to transmit is a single dit.

To access the repeater, users must continually transmit a 103.5 Hz ctcss tone. There is NO 1750 hz tone burst capability.

The system timeout has been reduced to 3 minutes, so please set your rigs' TOT accordingly.

The simple rules for using GB3JB ....

(1) GB3JB is available for ALL Licensed Radio Amateurs to use, be they 'newly licensed' or an 'old timer'.

(2) All users of GB3JB are expected to operate their station within the terms of their specific licence conditions and restrictions.

(3) When in QSO, please wait for the invitation to transmit (a single dit), and always leave a pause between overs' - always give others a chance to call-in.

(4) Please use good operating practices and procedures. Mobiles have priority. Remember, if a station calls in, during the gap between overs', always acknowledge them and please DON'T leave them sitting on the side, while everyone else has an over.

(5) Only use the minimum power necessary - remember there are other repeaters on the same channel. The repeater only transmits with 25 watts ERP, so if its' 5/9 with you, you don't need to use 50 watts to a high gain vertical, when 5 or 10 watts will do. If you use 25 watts ERP, then the signals strengths should be reasonably reciprocal.

(6) If, under lift conditions, you wish to use another repeater on RV63, please turn off the 103.5 Hz ctcss tone, otherwise you will still access GB3JB.

(7) Remember that you are Radio Amateurs, using an Amateur Radio facility, so please use the appropriate operating practices and procedures.

Since you have taken the trouble to get an Amateur Licence, surely it's not to much to expect of you, that you use Amateur Radio abbreviation and accepted terminology, such as the Q-codes. We do not have a '20', we have a 'location' or 'QTH'. We do not have a 'personal', we have a 'name', etc., etc., If you still use CB, that's fine, no problem, BUT please leave the CB lingo for CB, and not when you use GB3JB or any other Amateur Radio facility or the Amateur bands.

and finally .....

(8) Ignore any idots - If you don't hear a callsign, do NOT respond - EVER !

Sunday, 27 May 2012

GB3JB - Back On Air ... AT LAST ...

 Hi All,

With the invaluable support and assistance of Dave G0AYD, Sam (Dave's Son), Jon G0IUE and Matthew M6XBX (Jon's Son), I was able to get GB3JB, back on air.

It came back on at approx., 2:30 pm, today, Sunday, 27th May 2012.

You may however, find that it is about an "S" unit or so, weaker, than previously.  With the obvious reciprocal reduction in sensitivity. 

This is because the antenna is over 20ft, or so, lower, than it's previous height.

The antenna installation, is temporary, while I make final arrangements to get the 15m tower to the site, and get the thing installed.  However, this may well take a couple of months to complete.

The current system, is running with the same antenna, which did need a bit of TLC, as did the connection between the antenna and the LRM-400 feeder, which is also still the original full length.

The dump load is NEW, as are the batteries, a further 250AH worth at 24 volts, nominal.

Again, thanks to David, Sam, Jon and Matthew.  Your assistance, was very much appreciated, as always.


See some pic's, below.......

Cheers & 73's
Dave, G3ZXX  -  Keeper: GB3JB & GB3WSX


Jon G0IUE, David G0AYD & Self


David G0AYD & Self


Self 



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