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Month: April 2024

Utility Boxes for Baluns & UnUn’s 5 (4)

Posted on April 29, 2024December 13, 2024 by PD5DJ

Lately I’ve been working a lot with Baluns and UnUn’s and Chokes. I always needed a new housing for that. These are ultimately quite pricey and sometimes difficult to obtain. That’s why I spent an evening drawing. And I have drawn a number of variants of Utility boxes. I print these boxes with PETG filament,…

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CI-V Tuning aid for ICOM Radios 4.8 (5)

Posted on April 7, 2024April 18, 2024 by PD5DJ

Updates 17-04-2024: Firmware v0.2 Almost every HF radio from ICOM has a Tuner connector, you know that white 4-pin connector at the back of your radio. Via this connector you can give a command with a switch so that your radio sends out a nice reduced carrier to safely control a tuner. For most 100-200W…

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QRP 49:1 UnUn

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