How to win with HF mobile NVIS
Data from W4GO’s Virginia QSO Party operation confirms how well NVIS works from his SUV.
Ham Radio . Magnum Experimentum
Antennas, experiments, engineering and other articles of interest to radio folks.
Data from W4GO’s Virginia QSO Party operation confirms how well NVIS works from his SUV.
Observations from the Virginia QSO Party confirm simulation results concerning horizontal antennas and NVIS propagation.
QSO data from a state QSO party reveal trends in HF usage correlating with sunspot numbers.
Antennas shipping with ineffective antenna decoupling are on the rise as manufacturers daringly advocate 1/12 wave radials work.
The origins of two Virginia QSO Party awards: one for club, the other for single operator.
We re-introduce the theory and origins of Cebik’s (W4RNL) Asymmetrical Hatted Vertical Dipole (AHVD) antenna with the hope to facilitate a vertical polarization portable 20-10m aerial for portable operations.
One example of how amateur radio provides safety and service to the pubic providing otherwise impossible communications using the “Magic Band.”
The background and details of the LNR (Par Electronics) EF-10/20/40 end fed half-wave multi-band portable HF antenna. Come see what’s inside the mysterious “black box.”
Real measured data reveal the UHF (PL259 and SO239) connectors have real limitations.