Category Archives: D-Star

GB3WE 5 GHz Dish & 2.4 GHz Tonna

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Latest Weston Repeater Group Members

Latest Weston Repeater Group Members

December 9th 2015

2E0SST Steve


G3XED Cyril
2E0JUW Adrian


2W0CGM Nigel


G4TBD Steve
G1VSX Graham
G3SDH Paul
G6IZI Andy
G8WAL Paul


2E0HOQ Neil
G1PIB Morris
2E0WSM Juls
G7DQC Pete
G7EBY Neil
M1NEW Karl

We need your help to keep the repeaters on the air!

GB3WE 5 GHz Dish & 2.4 GHz Tonna

GB3WE Antennas June 2014

GB3WE Antennas June 2014
5 GHz omni
5 GHz dish
2.4 GHz omni
2.4 GHz Tonna
GB3WB 8 Stack
GB3WE Folded dipole

GB3WE Woodpecker

GB3WE Woodpecker

GB3WE Woodpecker

New Dual Towers Configuration For GB3WB GB3WE & GB7WB

Dual Tower Configuration For GB3WE GB3WB GB7WB

Dual Tower Configuration For GB3WE GB3WB GB7WB

Since our tower was so badly damaged in the high winds we have worked hard to split our three repeaters antennas over our two short masts. GB7WB’s UHF 8-Stack is on our damaged main tower along with GB3WE’s RX VHF folded dipole. A spare 2.4GHz Tonna beam has been fitted as well.
GB3WB’s UHF 4-Stack is on our old turbine tower along with GB3WE’s TX VHF folded dipole. Our main 2.4GHz Tonna beam is also fitted to this tower.

GB7WB 8-Stack back in the air on the remains of our tower

To keep GB7WB on the air we have recovered as much of our damaged tower as possible and fitted its UHF 8-Stack to it.

Also we are using G4KLX’s split repeater software to enable us to use two separate receivers to provide site diversity.
The second receiver is in Worle to provide some additional receive capability.
Jonathan’s software automatically selects the best GMSK data from which ever receiver provides the best bit error rate.
Hopefully this will make up for the low height of the GB7WB 8-Stack.

GB3WB Tower Destroyed In High Winds

On Sunday Morning 29th April 2012 our main tower suffered massive damage in the high winds.
At 5.22 am the lower part of the latice tower folded which caused the whole tower to fall into a nearby tree.
Amazingly not a single antenna or feeder was damaged and even the wind turbine and blades are in perfect working order.

In order to keep all of our repeaters on the air we have moved GB3WE’s folded dipole onto our small wind turbine mast. This mast holds the GB3WB 4-Stack already, so its coverage is unaffected.

To keep GB7WB on air we have had to temporarily fit a colinear to the very short remains of the damaged tower, so it is practically at ground level. Obviously coverage will be well reduced, but at least GB7WB is still on the air.

It was a very big and dangerous job to get the whole tower and turbine out of the tree. But to make the area as safe as possible as quickly as possible we have worked on the site more or less night and day for three days in some terrible weather conditions.

Here are a selection of photos of the damaged tower.

GB7WB Fan Control Thermostat Modified & Fitted

GB7WB Fan Control Thermostat Modified & Fitted.
The thermostat we had only had a ‘normally-closed’ contact and we needed a ‘normally-open’ contact to put the 24v fans on when ever the repeaters got too hot.
With three FX5000 repeaters stacked on top of each other, with their six combined crystal ovens and three power amplifiers etc you would be surprised just how hot they get!

A grub-screw was removed which was fitted to provide a rest for the center contact of the bi-metalic strip. A small screw with a solder-tag and wire was used to replace the grub-screw and the wire was attached to the spare solder post.

Now we have a single-pole, double-throw set of contacts and the fan switches on when the temperature rises.

GB3IE FX5000 Dual-Mode D-Star GMSK ircDDB Gateway & FM Repeater On Test

GB3IE Dual-Mode D-Star GMSK & FM FX5000 Repeater

GB3IE Dual-Mode D-Star GMSK & FM FX5000 Repeater

The Weston Repater Group recently completed a new dual-mode D-Star GMSK ircDDB & FM repeater for Plymouth. GB3IE is now on test in Plymouth, and will hopefully be in full dual-mode service very soon when its new NoV arrives.

GB3WB GB7WB & GB3WE Now All Using FX5000 Repeaters



All of our FM analogue and D-Star GMSK DV-RPTR repeaters are now using FX5000 base-stations.

GB3WE GMSK D-Star Repeater Using DV-RPTR Modem

GB3WE GMSK D-Star Repeater Using DV-RPTR Modem
Audio control board details