13 July 2018

Nagoya UT-106 modified for UHF only

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Over the past days I could spend few minutes with the UT-106, study the problem and solutions. 1. Magnet. The magnet is stuck to a metal...
12 July 2018

My Nagoya UT-106 review

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I needed a small VHF-UHF antenna for mobile operation. I use mostly UHF, so I picked one of the cheapest antennas on the Bay with the idea o...
27 June 2018

Data for obsolete HP 1820 ICs

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You will read everywhere that in the golden age of electronics (1960's 1970's) many parts were very short lived because newer versio...
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26 June 2018

HP Nixie driver IC (HP 1820-0729)

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The HP 9403A brought another set of Nixie driver chain ICs in my home. It was the HP take on the matter: custom ICs with hard to find pinout...
21 June 2018

A cheap hands-free solution: first test

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Just a quick update on the hands-free solution. The stock earpiece-microphone of the Baofeng UV-82 is quite lousy with its muffled sound a...
19 June 2018

A cheap hands-free solution: the idea

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O ne of the many drawbacks of driving and talking on the radio is that the microphone is usually physically wired to the transceiver. Let...
14 June 2018

HP 9403A System Control Panel

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The purchase at Friedrichshafen 2018 with the best €/kg was the HP 9403A device. And I think it will have a very high fun/€ ratio too! Le...
07 June 2018

Friedrichshafen 2018

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Friedrichshafen 2018 Ham Radio fair is history now. I've been there, Friday and Saturday. My 3rd time, with 2015 first and 2016 secon...