From the mind of Gavin MM1BXF…
I bought a Small Wonder Labs PSK-20 kit a few years ago when I was dabbling with HF data modes. The PSK-20 is, from the PSK-20 manual “[a] transceiver on a single PC-board design measuring 4.6″ x 5.27″ (12 x…
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My 2m station includes a masthead preamp, a 2 x 4cx250 linear and the IC-910. In order not to blow up the preamp I needed to get a sequencer, me being me I decided to design and build one, total…
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A band I’m interested in is 4m which in the UK we are allowed 70MHz to 70.5MHz. I’m mainly interested in the MS and ‘E’ capability of this band but very few commercial SSB radios have 4m built in so…
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This project has been an idea of mine for a while and it took me a little while to get the oomph to start on it. Start I did, slowly at first then once in the swing of it I…
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This project is for a PIC based audio and PTT controller which has a single headset and foot-switch which can connect to 3 different ham radios at once for a single operator to simultaneously receive or transmit on any combination…
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This project uses a PICAXE-18X to interface my Icom IC-910 to PowerSDR, the FlexRadio SDR PC control software, so when selecting a signal on the waterfall in PowerSDR it tunes the IC-910 to the correct frequency. This translates the IF…
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A project which displays in large numbers the heading from a HMC6352 magnetic compass on a 4×20 LCD display and also outputs the direction in GS-232 format. When operating in the CRG communication van Flossie we need to manual calibrate…
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After using a voice keyer in various contests and activations on my Icom IC-756pro3 I really found I missed one on my Icom IC-910H VHF/UHF transceiver. There are commercial hardware solutions (like the MFJ-434B) and some software ones about but…
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This project has been superseded by my Mk2 version here. During long periods of DX’ing or contesting a voice keyer becomes a very valuable piece of kit. Some radio now come with one built in and you can always add…
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