RF HAMDESIGN Rotator RAK Controller Rot1PWM A medium to heady duty rotator Up to 3240 lb-inch / 336 Nm torque Equivalent to G-1000/2800 but with digital control Worm gear drive so precise stop with nil backlash Supplied with digital controller Future-proof firmware upgradable via PROM Mast or head unit mounting with adaptor plate The SPID…
Spotted in the MAKE Flickr Pool, this homemade fractal antenna for digital television signals by Roy Jacobsen of Fargo, ND. Instructions for, and discussions of, similar designs are available in this Instructable from William Ruckman. Judging from the comments over there, folks who have built their own fractal antennae are quite pleased with how they…
Chinese HF / VHF / UHF Antenna Analyzer (US Clone of MFJ-266) General Description: The AW07A is a self-contained handheld RF analyzer that performs the following diagnostic functions: SWR (1:1 to 9.9:1) Complex Impedance (Z = R + jX) Impedance Magnitude (Z = ?) Capacitance (pF) Inductance (uH) Relative Field Strength (mV) Frequency (MHz) The…
The MBD-8E is a remote control unit used to control antennas switchers. They have memory and band decoder. Each MBD-8E is able to control up to eight antennas through keys of momentary contact, illuminated by LED. By using two or more MBD-8E it’s possible to expand to 16 antennas or more. The illuminated keys indicates…
KawAZ is the Azimuth angle calculation program for Radio Amateur General It is sometimes annoying us to accurately point the beam of antenna toward the target location. It is actually hard job for juggling with the antenna rotator, key, microphone, spitting dial tuning, logs, etc. in actual operation. KawAZ is the software to save such…