Friday, January 02, 2026

A contact on the LARCSet radio

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I'm having some trouble with this radio. Extremely low modulation with the mic amp as it comes. Not sure what's wrong. To get enough...

Developing for Apple platforms - we're in a good place

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My most popular app, WSPR Watch , is now 14 years old and it's not surprising that the underlying technology has changed a lot in that t...
Wednesday, December 31, 2025

Tech Talk on ABC Radio - Apple's year of turmoil

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This week I chatted with a fellow tech commentator and journalist Nic Healey who's filling in on ABC Nightlife. Wrapping up the year we ...
Sunday, December 28, 2025

Sunday FreeDV net - 18 stations

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A good net this morning with lots of nice Xmas cheer and looking forward to 2026 being a good year for FreeDV activity.  Stations on frequen...
Tuesday, December 23, 2025

Built the new LARCSet US$39 40m 5W SSB Transceiver from HFSignals

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The LARCSet is a 40m 5W SSB Transceiver Kit from hfsignals.com. It's just US$39. The VFO is analog and it's a descendant of the bit...
2 comments:
Monday, December 22, 2025

Project box designed with OpenSCAD

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As someone not generally comfortable with CAD I've been enjoying the almost childlike simplicity of TinkerCAD . The other day, David, VK...
1 comment:
Sunday, December 21, 2025

Good Australian FreeDV net despite some storms over Victoria

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A good FreeDV net again this morning with stations including VK2KNC, VK2SPB, VK2VCO, VK3CKY,  VK3FFB,  VK3JCO, VK3JFR, VK3KEZ, VK3SRC,  VK3U...
Wednesday, December 17, 2025

Tech talk on ABC Radio - Under 16 social ban, how it's working

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Last Wednesday the 10th of December the social media tap was turned off to children and teens under 16 of course in our world first social m...