50mhz

Positive Doppler Aircraft Scatter at 50MHz from g3zjo 159 days old

So far observation at G3ZJO of straight line reflections from Aircraft have concentrated on the departing path as planes travel North up the UK and turn ...

6m Aircraft Scatter from g3zjo 175 days old

My last blog entry covered an experiment to prove that it is possible to get a straight line reflection from an Aircraft travelling away from both the ...

More 50MHz Reflections from g3zjo 189 days old

[ ... ] on 50MHz lies to the South East of me, not parallel to the Controlled UK Airspace South North routes but knowing the flight paths I decided ...

Firing 100mW WSPR and other Modes at Aircraft on 6m from g3zjo 201 days old

Three stations G8EUX, G6AVK and G3ZJO ran WSPR for more than 12Hours on 6m, 50.293MHz dial on 2 May 2009. Apart from Spots from G8EUX of G3ZJO at 15Km ...

Using Slowfeld for Aircraft Scatter Comms on 6m from g3zjo 203 days old

[ ... ] over the 50MHz path between here and G6AVK. Quite typical of WSPR on 6m the signals are there but the scatter is so great that decodes are rare. My ...

50 MHz Module added to the DDS MEPT from g3zjo 206 days old

I built a new module for the DDS MEPT. This time using a 27MHz Xtal, a triple tuned filter and conventional Class A amplifiers the output is 100mW. On ...