George, Some designs have been able to reduce the over all height of the Franklin by folding out or back the high voltage top and bottom portions. The phasing coupler is placed at the center with the
Jorge, Welcome to the club. I am amazed by the difference in attention that has been given to 160 by T32C and 3D2R. It appears that based on the missing container with more equipment the 160 and 80 p
Please help me and some other topbanders in the Eastern Caribbean and SA to try and beg 3D2R to come up to 1822 a bit earlier than past our sunset. There is a huge difference between East Coast SR an
The DXE RTR-1 is superb in performance, design and construction. I have in the past built a relay driven unit derive with a Darlington 2N2222 from the H send output on the radio. i have even in a pin
I have a 900 foot WD1-A two wire Beverage that runs east and west and works well and has a great FB ratio on 160 and 80 meters. It is fed with a KD9SV box and reflection transformer for WD1-A telepho
Sinisa, A well known broadcast consulting antenna group Mullany and Associates made a detailed NAB presentation in the 60's on why a folded unipole and a cage feed made significant improvements for s
Radio Shack Cat# 270-222 and it has a good seal but some silicon on the screw heads or butyl doesn't hurt. Esay to work with for both BNC bulkheads or female F. Herb, KV4FZ __________________________
I can't drill a drain hole here since after a few week hundreds of fire ants will start to live breed and defaecate inside. Then everything goes to pieces as their by products are very corrosive. If
If you want to go metal just go to the store an buy some Altoids and after you enjoy the contents they make perfect fits for Beverage Boxes. Run some #33 tape around the lid cover and you are good to
Another option in the extreme case is to build the transformer, solder on an F-connector, add to leads of flexible wire on the Beverage side, then after testing take a glob of Butyl which is common
Is there any cause for concern hooking two grounds together for separate Beverages? I have a a single wire Beverage that runs 600 feet to the East and and another that runs 600 feet to the West. The
Ed, Everything depends on the size and type of tower supporting the wire plus of course the ground system you have in place. Some reports are that the support structure, if it is metal, is merely exc
So the answer is a better ground on the Beverage ends may not buy you much....but could it hurt you? The common mode issues I try to mitigate with 3inch toroids as I am told that is supposed to help.
On a 70' tower with lots of toploading Ii just don't know why you don't just shunt feed the tower and have a higher performance TX antenna. Even connecting a slant wire near the top and feeding it at
Rick, In my case all of my 12 Beverage feedlines come back to the 20 feet from the shack where they go through double 3 inch toriods to a single common ground between the center connection of those c
Great idea Lee as I could do this from the shack without walking out in the bushes. Thanks, Herb, KV4FZ _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
Merv , Maybe the rules changed. Who knows? But it is sure confusing as the the U.S. Territories are ether DX or they aren't DX. Can you imagine if KP1, KP5, or even KH0 was active during this contest
Dave, but these rules predate the recent conflicting press release published by the ARRL. IMHO someone from the ARRL needs to issue a correction and/or retraction of the information so as to minimize
Mark, An earth ground at the point you mentioned is valuable, not so much because of any change of the feed point impedance as a result, but since this ground can provide provides a protection agains
Jimmy, Think of it this way...if the feed point resistance of your antenna is 12ohms, "a low VSWR across the band", and fed with a 50 ohm transmission line, you have the equivalent of putting a 40 oh