marxy's musing on technology

A bloke with too many hobbies.

Wednesday, December 03, 2025

Tech talk on ABC Radio - Solar flares

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Over the weekend, Airbus ordered immediate software downgrades to 6,000 of their A320 aircraft to avoid a problem triggered by solar flares....
Tuesday, December 02, 2025

QMX in 3D printed case

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Previously I mentioned building a QRP-Labs QMX kit but when I came to put it in a 3D printed case I found that I'd failed to follow the...
Sunday, November 30, 2025

Sunday Australian FreeDV Net - 20 stations

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An excellent rollup again this morning with some interesting conditions that seemed to improve and then decline during the net.  At first th...
Saturday, November 29, 2025

Article about FreeDV in "Amateur Radio" Magazine

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This month I have an article in the WIA's Amateur Radio magazine .  It's a venerable publication where many of my ham radio heros ha...
1 comment:

Field operations while camping at Barmah Lakes

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I joined Graeme VK3CDO and we spent a very pleasant afternoon, night and breakfast at the Barmah Lakes campground near Echuca. As usual, Gr...
Monday, November 24, 2025

Comparing HF reception with WSPR Head2Head

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After Sunday's FreeDV net on 40m, my neighbour (1km away), Richard VK3LRJ, commented that he couldn't hear all the stations I was he...
1 comment:
Sunday, November 23, 2025

FreeDV 2.1 sunday net in Australia

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16 stations seen (not all transmitted though) on today's FreeDV net. Many stations have updated to the recent version 2.1 release. The L...
Saturday, November 22, 2025

Rosebud Radiofest

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The annual Rosebud Radiofest was enjoyable again this year. I'm trying not to acumulate too much gear but it's always great to catch...
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