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GM4JJJ Scotland flag Scotland

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QSL: OQRS DIRECT BURO, please don't send QSL unless REQUESTED OR EME

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Premium Subscriber Lookups: 9834

Moonbouncer & VHF DXer. Have previously been active on HF, 6m, 4m ,2m, 70cm and 3cm.

Currently QRV on 6m 4m 2m 70cm 

Author of MoonSked software for EME.


QSL for EME cards (only), I will send cards direct if I receive a direct EME QSL. No charge for EME direct cards.

Other modes, I only send direct if I receive a card with suitable return postage by PayPal or a valid IRC.

You can also request cards by the OQRS either direct for a reasonable cost, or via the buro for free - but it can take a very long time.

Spring 2017: I am now using an IC-7600 for 144 MHz with a G4DDK Anglian 2 transverter module transplanted into an ME2T transverter box with a 28 MHz I.F. this drives the legal limit LDMOS PA. The 116 MHz Local Oscillator of the transverter is frequency locked to GPS using a Leo Bodnar PLL.

October 2016: Increased power available on 70 MHz to 160W at the antenna, and 50 MHz now 200W when needed courtesy of a Gemini 4 LDMOS amplifier. 

August 2016: 50/70 MHz dual band yagi 4/5 elements on 3.5m boom constructed. IC-7300 barefoot on those bands.

April 2016: Now some 432 MHz gear, 18 element yagi by G6HKS at PowAbeam WS718562  and Italab LDMOS SSPA running 400 watts at the antenna. Masthead preamp soon. FT-736R currently, but will build transverter so I can use the KX3.

January 2016: I have been doing a little 144MHz JT65b EME with my small 10 element horizontal yagi which is fixed in elevation at the horizon. I prefer to not use the EME chat room during my EME contacts, it detracts from my enjoyment of receiving surprising stations. I am using MAP65 to find stations calling in the 144 MHz EME band and may find several stations calling at one time on my CQ, so please spread out a bit in frequency and I will decode you all and hopefully work you if conditions permit in my limited EME window. Sometimes a station fades and I may switch to calling another decoded station especially if it is a new one near their moonset. But keep calling if you like and if I hear you again I will attempt to complete then. If I had elevation I could spend more time calling one station, I hope you understand, thanks!

May 2015: You may have seen my WSPR QRPp beacon on the HF bands. It ran 250mW from a Hans Summers U3S kit I made. (QRP Labs). Frequency and time was GPS conditioned. I no longer have the U3S, as it is with a new owner.

June 2015: Now back on 144 MHz with a WAXX10S yagi (10 elements horizontal on a 5m boom) G4CQM design with coaxial dipole feed with boom material and clamps supplied by G6HKS. Rotator is a SPID RAK (thanks Jacek) fitted on a 2 section Versatower. Feed line is 20m of 7/8" Heliax plus a length of Westflex 103 around the rotator. 

Elecraft KX3 transceiver transverting from 14 MHz (3W max) to 144 MHz with an ME2T Pro transverter with the final drive padded down with a 6dB attenuator to limit output to 7.5 Watts max which is driving an Italab LDMOS SSPA (thanks Nico) running 400 Watts PEP at the antenna on terrestrial and 950watts CW/FSK on EME (Special Research Permit for EME). No masthead preamp currently.

8059493 Last modified: 2017-04-27 20:52:15, 3716 bytes

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