Amongst the kilowatts: 14 MHz SSB QRP DX with a delta loop
Автор: Amateur Radio VK3YE
Загружено: 2014-03-02
Просмотров: 33577
Описание:
Is mixing with kilowatts on 14 MHz SSB during the ARRL International DX Contest a futile exercise when running 5 watts to simple wire antennas? Or have we stumbled across one of the great low-cost antennas for over water portable QRP DXing?
Find out when we put a $20 wire delta loop through its paces at a beach near Melbourne, Australia. We'll tackle what others say is impossible and discuss the merits of horizontal versus vertical polarisation. Feeding and impedance matching is also covered.
Watch this video if at all interested in portable QRP operating, DXing or simple wire antennas.
Contents
0:00 Introduction
0:25 Drawing and dimensions
0:54 Feeding loops - where?
1:12 Impedance
1:45 Support pole
2:09 Supporting wire and feedpoint transformer
2:47 Going portable over salt water
5:19 Impossible!
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