A monoband deltaloop is a wire loop with a full wavelength. The suspension determines the function of the antenna quite considerably, the easiest way is to mount it with the tip pointing upwards. The steel wire has a good tensile strength, so you only need one raised point and two more guy points near the ground.
The polarisation is determined by the position of the feed point. If the balun is down in the middle of the horizontal wire, the signal is predominantly horizontally polarised. If the balun is in one of the lower corners or slightly above in a slanted piece of wire, the antenna is predominantly vertically polarised. In all cases, the antenna in this design is a very good omnidirectional antenna. The gain is given in the literature as +3 dBD.
The balun supplied has a transmission ratio of 1:2, it is designed for a maximum power of 1000 W, connection PL socket. The Hari delta Loop is fully assembled. Only the three insulators supplied are not fixed to the antenna wire, as an individual fixing point must be found here for each installation. The required wire clamps for fixing the insulators are supplied.
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Can be mounted as Delta-Loop with 3x14.40m or Quad-Loop with 4x10.80m
Max power 1kW
Bra signal/brus- (störnings-) förhållande, ca 3 s-enheter lägre än en vertikal. Antenntråden behöver klippas av ca 2m för att få resonans på 7.100 MHz, SWR över hela bandet är understigande 1,3:1. Sidorna behöver inte vara liksidiga, utan är det bara sisådär en triangel eller kvadrat, påverkar det inte beteendet. Antenner rekommenderas varmt.
Christian SMØCRT
Reference: AWLW-102
Brand: Sotabeams