Category Archives: HF

FT8 – The latest data mode

I’ve posted a lot about the low power, low signal modes, JT65 and JT9 in the past and now there’s a new kid on the block. This one is called FT8 which stands for ‘Franke and Taylor, 8-FSK modulation’, developed … Continue reading

Posted in Amateur radio, Data, FT8, HF | Tagged | 20 Comments

I’ve broken my Hexbeam – Again!

With the title to this entry, I can imagine a collective sigh from my readers, followed by “Oh no, not again”. This time is different though, this time it was nothing to do with RF or with melted insulators.  A … Continue reading

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Listening to the Camb-Hams from the Isle of Islay

The Camb-Hams are on their usual annual pilgrimage to Scotland and I’ve worked them on a few bands and modes.  I’ve also made a couple of recordings of them on 40m CW, showing how well the Kenwood TS-590SG can read Morse Code … Continue reading

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What can be achieved in twelve hours of 20m JT65/JT9?

WSPR is great, I enjoy running WSPR and seeing how far I can transmit using very low power but there are a couple of drawbacks.  I appreciate this will sound as though I’m knocking WSPR but trust me, I’m really not. … Continue reading

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A new record – G to ZL on 60m QRSS

Toward the end of March I ran WSPR and QRSS on the 60m band for a couple of weeks.  I did some experiments on 60m nearly three years ago which gave good results and I was keen to improve that. I posted … Continue reading

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New aerials for VHF/UHF (2m/70cms) and 28MHz (10m)

Over the years I’ve used a few different VHF/UHF aerials here and the one I always found the best was my old Diamond X500.  I bought that when I still lived at home with my parents and it moved here with … Continue reading

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5B4AGN bandpass filters – The measurements

I’ve been moving some boxes around recently and I unpacked the bandpass filters I built for one of the Martello Tower Group DXpeditions and successfully used again during our activation of the MV Ross Revenge in August 2016. It struck me … Continue reading

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