Televisions & Video

High Frequency antenna question(HF) Couplers?

Dec 17, 2007 by the Dark Angel Has You | Posted in Aircraft

does anyone know what inert gas is used to keep moisture out of a HF coupler:?

It is pressurized with nitrogen, not argon.

Hamradio Making the W3DZZ Trapped Dipole HF Antenna.

A video guide of how to make a high performance,low cost HF multiband antenna for the radio amateur and shortwave enthusiast. Fantastic ...

"Pie" in the Sky - South African Pilot Flies all over Africa

I am a South African soldier. My work as an infantry major at 6 SA Infantry Battalion (Air Assault) includes work as an AU/UN military observer and peacekeeper. My work has taken me from the rain forests of Burundi and the DRC to the deserts of Sudan and Chad helping to create sustainable peace. This is my world and I cannot imagine doing anything else. This almost two-meter tall long-legged bundle of energy was born in Port Elizabeth and as if two meters was not far enough off the ground she increased that to horse height and took part in, and this is a little complicated, a lot of horse riding stuff. What I know for sure is that she was the Eastern Province champion for eventing, showjumping and equitation in 2003 and was the reserve champion for dressage that year. Fact is she could ride horses very well and even rode other people's horses so well they gave her another trophy for that. They however did not give her a trophy for jumping her horse over a "bakkie" (pick-up truck for the Americans) that same year. Unfortunately the rest of the horse trophy stuff list is so long I am going to have to skip that. It seems however that Amy preferred sky-diving and flying and used her skills at horse riding to train other horses and people to make money to pay for her pilot training. Today she is a pilot flying for Air-Tec who, fortunately for Amy, sends her off five weeks at a time to fly planes for organisations who specialise in operating in places where there is no effective road...

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