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How to use MS-A (azimuthal magnetic sensor) in your Arduino antenna rotator control projects
The MS-A sensor is a commerical product (Trademark 4O3A Signature) used for the 4O3A rotator genius antenna rotator. It might also be used standalone with Windows app. Then it´s connected to the computer using a USB-RS485 converter and showing the heading on a compass rose. However if you just want to use the magnetic sensor […]
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Repair of Yaesu G-1000DXC rotator control
I took part in the Worked All Germany this weekend when after a few hours I couldn´t turn my antenna any longer. The rotator controll YAESU G-1000DXC was not illuminated any longer and the rotator stopped working. So I opened the cabinet and started investigation starting from the 240V connector. Wiring and power switch where […]
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Wide Band Vertical Antennas (WBV) by DF9LJ
August 8 th 2022 How it started – studies on groundplane antennas This post is published under a creative commons license CC-BY-SA-NC 2.0. Please check the details here. You may share and use for non commercial purposes but please always cite this website as the genuine source. The usage of antennas over a wide range […]
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5 Band WAZ
Though I´m more on the technical side of our hobby it was milestone for me when I received the LoTW confirmation from KH6YY for a 80m sideband QSO. This was the last missing Zone for the 5 Band Worked all Zones (WAZ): In detail there´s just one little drop of bitterness: I still miss Zone […]
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external antennas feature of the RF2K-S power amplifier
The RF2K-S solid state amplifier has a number of outstanding features. One of them is the way of dealing with complex antenna configurations. As a standard user you choose “internal antennas” in the antenna setup if you up to 4 antennas connected to your amp. The 4 antenna outputs at the back of the amp […]
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