tower08s.jpg
Click  photo for an enlarged
view of the antenna layout
FARNHAM VHF GROUP
GB3FM - GB3FN - GB3FX

These area a few photographs showing the repeater site and equipment.
Click on any of the pictures below for a larger version of that image.


It all happens here.


What it looks like up the tower!

 


G8PLL admiring the view from the tower in 1997

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Mark and Paul fixing the tower in 2008

 

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A row of cabinets: GB3FM, the frequency standard, and GB3FN

 

24V 150AH Backup Power

 

 
GB3FN (left), cavities and 24V PSU

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GB3FN with internal covers removed



The inside of GB3FX with all screening covers in place. RX, TX and preamp on left, PSU, logic and control box interface on right.

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 The filter that combined GB3FM's TX and RX together with GB3FN's RX.  Now just the duplexer section is used for GB3FM TX and RX.  The home made cavity is also on 23cm.

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GB3FX, with original Heliax filters and control box (with mould!) 

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What, did we say mould????

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The new helical filter duplex on GB3FX, donated by G4XRV

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The guardians of the site...

 

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...with their king sized leader...

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...  who are encouraged by a floor that's not the driest in the world....

 

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...even with an automatic pump that does its best to get rid of the water...

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...which comes in because we are surrounded by our own, personal moat!

 

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The beacons being installed.  5.7GHz is on the right, 47GHz on the left.

 

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The view from the tower towards the North East.

 

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The site in late 2006, hidden in the trees.

 

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And what the site looked like in 1982 when the original antenna was installed.  Look - no trees!  Photo: G8KSM.


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Updated May 2014
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