Category Archives: radio communications

QCX QRP Portable Transceiver Build

This compact “QRP” or low power radio kit from QRP Labs in UK was too good to resist.  At $49.00 USD, it packs a lot of functionality into a small package.  The radio is based around an IQ phasing receiver … Continue reading

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Yet Another EFHW Matcher

While on the lookout for a more compact housing for the End Fed Half Wave matcher, I came across this perfectly sized enclosure at Altronics (Hammond 1551).  At 50mm x 35mm x 20mm, it is just right to hold the FT-82-43 core, … Continue reading

Posted in Projects, radio communications, SOTA | 11 Comments

Thoughts on Elecraft KX2 Transceiver for SOTA

After some time getting used to operating the new Elecraft KX2, it was time to take it out on a SOTA activation.   With a break in the weather, Federation Range, VK3/VN-029 looked like a good choice as it qualifies … Continue reading

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New SOTA Rig

The new Elecraft KX2 arrived last week.  So far it looks like just the thing for SOTA activations.  A battery pack was not ordered for it, so one was constructed from 3 x 18650 2500mAh cells with a protective polyfuse. … Continue reading

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Castle Hill VK4/NH-136 Last Minute Activation 1 Point

Castle Hill is a small hill close to the Townsville city centre in North Queensland.  It was about 5:30pm when the opportunity presented itself for a quick activation.  I had the FT-817, an end fed for 40/20/10m and the RHM8B … Continue reading

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HF1 QRP Transceiver Project

(This project is on hold indefinitely) This project is based around the recent HF1 QRP transceiver by Ashhar Farhan, VU2ESE. The transceiver is an interesting SSB design with wide tuning range from 0-30MHz and should cover several amateur bands.  The schematic for … Continue reading

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TR-PP-11B Hand Held Military Radio

The TR-PP-11B is a French military hand held radio designed in the early ’60s.  I came across one at the MDRC Hamfest this month and couldn’t resist it.  The radio is also known as an ER-62B and a TRC-766.  It’s … Continue reading

Posted in Projects, radio communications | Tagged , , | 3 Comments