Tag Archives: cushcraft ma-5b

Replacing my Cushcraft MA-5B with a G3TXQ Broadband Hexbeam

I’ve mentioned a couple of times recently that I’d ordered a replacement aerial and it was delivered on Friday.  I bought a G3TXQ designed Broadband Hexbeam, from Ant, MW0JXE.  Ant manufactures these on demand and so therefore there’s a waiting … 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

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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

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More problems with my Cushcraft MA-5B

There I was, at quarter past eight this morning calling CQ in the April Fools Day contest on 20m 😉 when I noticed that my SWR had gone from 1.1:1 to 3.5:1.  Something was clearly wrong so I stopped calling … Continue reading

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More work on the Cushcraft MA-5B along with VSWR plots

After I replaced the balun and coax tails on my MA-5B, I posted recently to say I wasn’t quite as happy with the results as I could have been.  I contacted Bob at Balun Designs who suggested that if I’d … Continue reading

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A replacement balun for my Cushcraft MA-5B from Balun Designs

After the investigative work a couple of weeks ago where I tracked the fault on my Cushcraft MA-5B to the cable between the balun (matching network) and the 12m/17m element I decided that I wanted to replace the entire balun, … Continue reading

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