Bobtail curtain
http://www.yf1ar.com/2012/11/3-element-bob-tail-curtain-array.html WebNov 17, 2012 · The Bobtail Curtain Array is enhanced when a ½ wavelength vertical element is placed between 0.2 and 0.25 wavelengths behind the center element to afford …
Bobtail curtain
Did you know?
http://www.hrlabs.net/cva.htm WebRetro Kitchen Café Curtains . Mid Century Red Vintage Tiers . Cute 50's Window Half Curtains . LIGHTWEIGHT COTTON. (1k) $25.00. Rialto Luxe Indigo Café Curtains. (Set of 2 Panels).Colors: Blue and White. Choose Your Length (15"L upto 64"L)--UNLINED.
WebThe bobtail curtain is a vertically polarized array used by many operators on the lowest amateur bands. Essentially a wire antenna, the array requires only 1/4-wavelength for the vertical portion of its elements plus safety … WebEven the 4 element Bobtail Curtain on 40 Mtrs, my Tri-Bander and 2Mtr vertical are right in the Ball Park. Just put up a 6 element Six Mtr Bobtail yesterday. Still testing, but showing good promise. The AA-230 is taking the guess work out building antennas. It has several other jobs in-store for it, including tweaking a hmbrw 4 element Six Mtr ...
WebJul 14, 2002 · curtain in order to minimize the horizontally polarized far field radiation components. Various strategies are available for minimizing pattern disruption arising from feedline common mode currents. One good method is to have the counterpoise wires carefully balanced and approximately 3/8 wavelength in length. The feedline should be link http://www.k4tr.com/
http://www.redwaveradio.com/9_67b2b79d7f040401_1.htm
WebSep 22, 2011 · The bobtail performance depends on the ground/soil conditions a lot. the antenna itself is a no radial ground plane, but it still seeks ground. Monoband performer. Look at an N4GG array. http://ars.nc4fb.org/antenna-articles/n4gg1.pdf I played with this on 11 meters, ( great test band as antenna are small size). red feathers near meWebThe bobtail curtain has been around since the early 1930s. It is an oldtimer's antenna. Two of them can be phased for increased gain with little trouble. This article shows how to phase two bobtail curtains with a simple matching and phasing harness. Phased bobtail curtains have a num-ber of advantages. They have good bi- knockmore road lisburnhttp://on5au.be/content/a10/scv/bc40ab.html knockmore northern irelandWebThe Bobtail Curtain is an excellent low angle radiator having broadside bidrectional characteristics. This antenna system uses the principle of co-phased verticals to produce … red feathers rs3WebRe 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. knockmountainWebMay 16, 2016 · Most Bobtail Curtain arrays are used for single band use, but can be adapted to other bands with a sturdy antenna transmatch (i.e. "tuner"). HF Bobtail Curtains use a lot of space especially for frequencies of 7 MHz and below. A 10 meter Bobtail Curtain Antenna is certainly manageable and can be used to good advantage when the … knockmount droghedaWebThe Bob Tail Curtain shown below is another slightly more complicated curtain type antenna. The bobtail antenna is basically the same as the double half square except it is fed at the center element, not at the end … red feathers outfitters