Category Archives: Uncategorized

NanoVNA and EFHW

The NanoVNA arrived the other week, these units are very good value and work remarkably well.  With small size and weight (63 grams)including battery, it can easily be taken out in the field, providing it is protected from the elements.  … Continue reading

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20 metre SSB Compact Transceiver

This one follows the design of the DK7IH Cigarette Packet Micro Transceiver.  The changes made to the original design are: – Plug in front end, transmit driver and PA low pass filters – FET power amplifier (IRF510) rather than bipolar … Continue reading

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Quick Trapped 15/20m Dipole

This dipole was a last minute idea.  I am taking a multi-band EFHW and 10/20/15/12/10m switched dipole away to Japan, although the switched dipole takes up a lot of space.  A smaller dedicated 15/20m dipole would be a good idea. In … Continue reading

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FT817 Battery Upgrade

With an overseas trip coming up, thought it was a good idea to upgrade the battery in the FT-817.  I have been using a very tidy solution for nearly 5 years now consisting of a Hobbyking 3 cell 2500 mAh … Continue reading

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Mt Hotham SOTA Weekend

Once again, Brian, VK3MCD hosted a SOTA weekend based at Mt. Hotham.   A ski lodge was our base and we were surrounded by many tempting summits.  Sarah and I left straight after work on Friday night and after a … Continue reading

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BITX40 V3 and Raduino

The latest built up Bitx from HF Signals looked like a bargain too good to pass up.  At only USD 59, you get a built up Bitx 40m metre transceiver with an Si5351a frequency synthesiser for tuning. I ordered it … Continue reading

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Mt Fuji JA-SO/001

Our plan was to set off from the 5th station car park at (2300 metres) around 2pm and hike the Yoshida Trail to the 8th station hut (3400m) before dark.  We would then sleep in the hut until 2am and … Continue reading

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