WebCurtain arrays are a class of large multielement directional radio transmitting wire antennas, used in the shortwave radio bands. They are a type of reflective array antenna , … WebRe Curtain Array aka Bobtail Curtain... Should yap decide to build a Bobtail Curtain here is how ya do it. The source is the ARRL Antenna Book. This is an antenna that is three vertical sections that are placed in line with a phasing line attached to each and fed with coax thru a inductor and variable cap in a parallel circut.

Bobtail Curtain - Gain Versus Feedpoint - Red Wave Radio

WebA Bobtail Curtain for 2m Welcome to the first installment of my new column, which I hope will become a regular feature in Radio ZS. Each installment will present a practical and … WebJul 17, 1999 · The inverted bob-tail curtain is a plain broadside array. You can run it either way, no difference, practically. The bob-tail curtain puts the current end of the antenna up rather than down, which may be of value, but it is not that critical. Good Luck.... ZUT DE NA4G/Bob UP EE Top 20M Bobtail Curtain Help by KMAX » Sun, 18 Jul 1999 04:00:00 blaze baseball player

80 meter band WØAIH Contest Station - QTH.com

WebJun 5, 1996 · or 4 items on Bobtails and feeding them at voltage nodes versus current nodes. I modeled the antenna optimizing for gain and resonance at 7.175 when fed at a current node (top of the center section). First interesting result is that the antenna appears to be electrically short - for a WebThe Bobtail Curtain operates as a broadside array of three …-wave radiators in phase. Broadside (that is, at right angles to the beam) the fields from the three radiators reinforce each other, so in these directions the radiation is at its maximum. Weblem with the bobtail curtain is that it is a full wavelength wide (approximately 280 feet on 80 meters), limiting its use to those with large lots. The Bruce Array There is another simple … blaze batchelor arrest