Monthly Archives: April 2012

Solving a creaking mast problem

About three years ago a working party descended on my QTH and we did some major upgrades to my VHF aerial system.  We put up a longer pole, replaced the rotator with a bigger one, swapped all the cables out … Continue reading

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Cushcraft MA-5B is repaired with a new MT1 trap

Cushcraft were always known for good quality products but some years ago they were taken over by MFJ.  It’s no secret that MFJ have a bit of a reputation for poor quality control and they may or may not deserve … Continue reading

Posted in Amateur radio, Broken aerial | Tagged , | 4 Comments

New Acom 1500 HF+6M Linear Amplifier

I just saw the following information on cqdx.ru and it’s worth reposting here: ACOM1500 is developed on the base of the well known ACOM1000. The tube GU74B has been replaced by 4CX1000A and the power supply is beefed accordingly. The RF power … Continue reading

Posted in Amateur radio | Tagged , | 7 Comments

A sked with the Falkland Islands

VP8 isn’t particularly rare in amateur radio terms, currently appearing at number 194 in the ClubLog list of most wanted DXCC entities but it was a country that I’d not worked up until a few days ago. I contacted Mike, … Continue reading

Posted in Amateur radio, HF, New DXCC, SSB | 1 Comment

Testing my dummy load

Back in August last year I built a dummy load out of a bunch of resistors, a paint tin and some oil.  I said at the time that it seems to work fine on HF but not so well on … Continue reading

Posted in Amateur radio, Construction | Tagged , | 5 Comments

One of the traps on my Cushcraft MA-5B has melted

Today I took down my Cushcraft MA-5B again to investigate the problem of high SWR on 20m and 15m and after a struggle to get the traps on the driven element disassembled, this is what I found. The bottom section … Continue reading

Posted in Amateur radio, Broken aerial | Tagged , | Leave a comment

Not a very good night at the Martello Tower

Last night was the April 144MHz RSGB UKAC contest and as usual we were at the Martello Tower to take part. Things started off slowly with only 15 stations or so worked in the first half an hour with just … Continue reading

Posted in Amateur radio, Contesting, VHF | 2 Comments