Antenna for RadioSonde RX
Last week I built my first prototype. Since last december I started tracking radiosondes in the 400 MHz band. I use the Diamond X50 antenna on the roof, connected to …
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Ordered a NanoVNA off eBay
Just placed an order for a NanoVNA on eBay. The waiting can start.
Read MoreMy 20m end fed or half wave vertical antenna
In a previous post I wrote that building a half wave antenna for 20m is on my todo list. The reason for this that my groundplane needs counterpoises or radials. For the …
Read MoreI’m still alive and kicking sometimes
Hello World, my last entry was from february last year (exact one year ago) and then everything went quiet. What has happened since? We sold our appartment and bought a house with …
Read MoreBuild a simple magnetic loop antenna.
This article is a reprint from my original article published in 2004. I don’t use the antenna anymore (collecting dust in the basement) but the article will stay here for …
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