Category: Electronics


Just putting this here for my own reference but could be handy for others…



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It’s been a long time coming but now, it’s here!

Ladies and gentlemen, I give you the ArduFox V1!

ArduFox V1 hiding from the hunters View full article »



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I’ve got an ever increasing noise floor at my QTH so I thought I would try an active HF loop to see if I can null out the worst of the noise.

I found a simple design on-line and used it as the basis of my loop. The original site unfortunately no longer exists but I did manage to save the design here. View full article »



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Now that I’ve reassigned the Yaesu FT-857 to a portable manpack, I have a big hole in the “Shack in a box”.

I found a nice ICOM IC-7200 for a good price and have started work on installing it for use as a (heavyweight) portable HF voice and data station. More to come soon but here is a small taster of what’s ahead…

Shack in a Box



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I’m a keen user of ALE on the HF bands and recently purchased an Icom IC-7200 to use as a dedicated ALE station. I picked the IC-7200 as I liked the form factor, the fact that is is a dedicated HF radio and that it has a built in USB interface. The only problem with using the IC-7200 for ALE use is that the TX bandpass filters are switched in and out using relays as the radio scans through the bands. This causes an annoying “click, click, click” sound when the radio is changing bands and, when scanning at 5 frequencies per second, can put considerable wear on the relays. Luckily, there is a fix for this problem…

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