These directional antennas may look like Yagis, but they are quite different. The Doctor explains! |
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Review
An Oggie asks why his radio draws so much more power than the 100 watts it puts out. The answer lies in using linear final power amps in the Class A, Class B, or Class AB category. Learn more! Read more
VHF
Virgin Orbit’s LauncherOne is a go for launch on Wednesday, January 13, at 1500 UTC, carrying the AMSAT/Vanderbilt RadFXSat-2/Fox-1E CubeSat into space. The LauncherOne vehicle will carry 10 other satellites. RadFXSat-2/Fox-1E carries an in... Read more
Recent Posts
Contest University to Host Propagation Summit on January 23
Contest University (CTU) is holding a Virtual Propagation Summit on Saturday, January 23. The Zoom-platform event will get under way with introductory... Read more
FCC Notice: What You CAN And CANNOT Do With Ham Radio
FCC Notice: What You CAN And CANNOT Do With Ham Radio Read more
How Your Radio’s Final Amp Class Affects Efficiency
An Oggie asks why his radio draws so much more power than the 100 watts it puts out. The answer lies in using linear final power amps in the Class A,... Read more
Equipment
K42C CW Keyboard/Reader Kit
The K42 is the Swiss Army knife of CW keyers, it will provide lots of CW operation and enjoyment. A CW keyboard interface, CW reader, iambic paddle ke... Read more
Icom IC-7700 + QST Review
Icom IC-7700 110dB dynamic range and +40dBm 3rd order Intercept Point (IP3) The IP3 performance of a radio can be improved by sacrificing sensitivity,... Read more
The Leopard Military Radio – 1.6 – 170 MHz
THE LEOPARD is a compact, rugged and lightweight wideband military radio which offers uncompromised communication for tactical missions in the... Read more