27 October 2025

Efore Barco Power Supply conversion

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The Efore label I received an interesting NIB/NOS power supply used in videowalls. It is an Efore RHPS493 that sports both  8.3A at 48.6V a...
25 September 2025

Albrecht AE 2990 multimode CB/HAM handheld

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I knew it existed but never met one: a 10m multimode handheld. Meet the Albrecht AE 2990 AFS . The same hardware is sold under other brand ...
27 August 2025

UV-3R Plus fading display

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I got a second-hand-new Baofeng UV-3R Plus and it shows a problem that has not been documented (or I use the wrong search keywords): the LC...
31 July 2025

Friedrichshafen 2025: sadness

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The largest(?) European(?) German HAM fair for 2025 is over. As in the past, I have planned to limit my fair time to one day but this year ...
25 June 2025

Sega Master System II power supply

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I was testing some Sega Master System 2 vintage game consoles with a friend and we couldn't get a signal out of them. I used a portable...
21 June 2025

HF portable June 2025

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Last Tuesday I had the chance to spend a couple of hours outside in a location where I could do some portable QRP HF. The setup is my usual ...
27 May 2025

DC plug for some Yaesu radios

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I am not sure the Internet has already found out, but some Yaesu radios share the same DC plug size. In my case I discovered that I can powe...
13 April 2025

Linux on an Intel DG35EC motherboard

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Intel DG35EC was (is?) a PC motherboard for Core2 Duo/Quad processor with embedded support for Serial ATA (SATA), PCI Express, Ethernet and...