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G3XGW England flag England

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G3XGW

I became fascinated by radio as a young boy and have never looked back! Started my amateur activities back in the 1960's with mil-surplus and home brew AM gear on 80 metres and top band. Played around with commercial SSB and VHF rigs but have now gone back to good old "ancient modulation" on the LF bands. You'll mostly find me on 3615kHz (and now 5317kHz) AM with equipment ranging from vintage amateur and military kit through to homebrew Software Defined Radio.

 

On 3615 for the daily "breakfast club" AM net. TX is Labgear LG300 and receiver is HRO. A typical 50's station but I should be wearing a tweed sports jacket (complete with leather elbow patches) and tie!

 

 

British Army Wireless Set No.19 as used when I was a teenager! Still in use today on 80m and 60m.

 

 

The Royal Navy is represented by the 1950's "619 transmitter and CAT receiver outfit" manufactured by Pye (Rees Mace).

 

For the RAF it has to be the iconic T1154 and R155, shown here at an early stage of it's refurbishment.

 

 

Just to prove I'm not completely stuck in the past this is the homebrew SDR station...

Winding those little torroids was great fun - not sure my hand/eye co-ordination would be up to it now!

 

A recent restoration is a 1960's AJAX "Leader" marine transmitter/receiver acquired from a VMARS container sale.

 

The latest project has been to put together a transceiver able to be deployed "rucksack portable" in the surrounding countryside during those fine summer afternoons. The original plan was for an 80m AM rig for use with a wire aerial thrown over a tree or maybe suspended by a kite. It then occurred to me that 80m is pretty dead during these times so, following the allocation of a suitable 5MHz AM slot (5317kHz), the project was converted in mid-build to the 60 metre band.

 

Based on GW4GTE's FAT5 class E transmitter, PUWMA pulse width modulator and FATMAX audio processor kits together with his RAT5 receiver board (see www.s9plus.com), the whole thing operates from a 12V "gell cell" battery, producing around 8W without really getting warm. All that's needed now is the summer!

 

Eventually the summer arrived and I was able to load up the rucksack and go 60m portable! I found a good spot on top of Bredon Hill which is within walking distance of home. The tree supporting the invisble inverted Vee is to my left. Nice and tall with a perfect broken branch at the right height and not too much foliage to absorb the precious RF. What did I learn from my first outing? - I need a lighter battery!

 

I had always told myself I would not start collecting US military radio equipment - there's so much of it I was afraid I wouldn't know where to stop! However, I've always had a hankering for the ART-13 and when this one came up for sale locally, I was unable to resist.

 

The excuse was that it was our 40th wedding anniversery. My wife got her ruby ring and I got my ruby-red indicator lamp!

 

Every four years our village stages an "Open Gardens" event so guess who gets the job of putting on a special event station and vintage wireless exhibition...

 

 

Can you spot the invisible aerials?

 

View from the "Summer Quarters". I know I'm supposed to be out there weeding but the DX100/AR88 in the garden shed sometimes proves too much of a distraction...

 

 

 

For more information please visit my website at http://www.tibblestone.com/oldradios/Old_Radios.htm

 

 

 

 

 

 

7664469 Last modified: 2016-10-30 10:09:07, 7381 bytes

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