[DXZone] FT4 Frequencies
The DXZone.com Amateur Radio Internet Guide /////////////////////////////////////////// FT4 Frequencies Posted: https://www.dxzone.com/ft4-frequencies FT4 Frequencies for HF and VHF bands as listed on WSJT-X. /////////////////////////////////////////// Mini Satellite-Antenna Rotator Mk2 Posted: https://www.dxzone.com/dx33898/mini-...tator-mk2.html Technical Reference/Antenna Rotator Design and construction of a mini satellite-antenna rotator. It used some small DC motors and a novel combination of 3D magnetometers and accelerometers to provide absolute azimuth and elevation feedback. |
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