Thanks to a tip from Bill, K4XS I got a 3" cap with hose clamp from Home Depot. The cap cost $3.97. They stock caps for 2", 2.5", 3" and 4" pipe but remember this is for black steel pipe which is mea
I have an older Cushcraft 2 el 40 and it uses a 10 turn loop of coax as a balun (called a Collins balun in some books). I set it to mid band and its 1.2 at 7170 and 1.7 at 7005 and 1.6 at 7298. None
Reaching 60 does not mean your tower climbing days are over. I still do all my tower work (mainly from the roof). With my heart problems I am not allowed to climb trees any longer (but still have my
I have an old Tristao 71 foot crank up with the tower raising fixture that I have used dozens of times. UST bought out Tristao and is using Lou's designs with improvements. I suspect the TRX-1000 has
I knew Lou personally. UST wound up not only with Tristao but the tubular Wison masts that Lou's son bought from Jim Wilson now N7JW. Tri-Ex was owned by Frank Clement. He sold out to Tashjian much m
The RD-1800 rotor is a fine rotor but does not fit inside the US Tower 12.5" top sections (also Tristao). The T2X will fit although it must be brought up thru the bottom of the tower. Keep this in mi
This topic comes up every so often. The original article was in a 1955 or 56 QST and later in the ARRL Handbook and Antenna Book. I mounted a Gonset Tri-Bander on top of a 50 foot pole. I found anoth
I have two Mor-Gain short dipoles mounted vertically. The top part is pure vertical and the bottom half is sloped (65 degrees) to the NE on one and to the SW on the other. The antennas are elevated 1
I am looking for the top 5/8 section of a 2 meter Isopole that disappeared in a lightening strike. A complete Isopole is OK. The Isopole is mounted on top of the W9IIX laddermast on top of my 71 foot
I hope that everyone knows the BX series is only designed to hold a beam with a boom of NO longer than 10 feet. Guyed or unguyed. There have been horror stories of those who tried longer beams such a
I have a very early KT 34 XA (it was the KT 34X when I bought it). The overhead struts are made of fairly thin aircraft cable. The strut on the director side broke summer before last and the strut on
This conversation comes up on a regular basis and should be in the archives. The traditional article was in a 1956 QST and repeated in ARRL books for several years. A good update was in a early 1980'
Bill Wall, KC4UZ the owner of Antenna Mart of Georgia passed away last Wednesday after a long illness. Bill was a member of towertalk and is rememered for his big Quads and the antenna switches desig
I had the same problem with come of the aluminum. A couple of pieces had such bad calcium deposits that the small aluminum broke. I had to order some from KLM and they shipped it so it got broken in
I agree with Al. Better borrow a copy or buy one from HRO or the Radio Bookstore. Dave K4JRB part Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sher
An ad on QRZ.com by Mike Lebo is taking a survey about a possible dual dimension antenna. The ad shows some configurations for 40 to 10. Anyone know the skinny on this. He may be just trying to capit
I try to provide both a UPS amd MOV on all my PC's and use a PC on my transceivers. Even tho I may have some of the equipment on a power strip. I even have a couple of spares for future use. Most MOV
A half square is the Bob-Tail as W6BCX envisioned it. The common bob-tail with three vertical wires is a double bob-tail or three element bob-tail. Somehow this gets lost in both the W6SAI and ARRL H
I have a Drake TV-3300-LP that went south while operating 40 meters with my 8877 AMP running 1400 watts out. Reading the filter its 1000 W Max which I assume is input not output. The coil in the filt
This came from a friend Of Capt Dick Bird G4ZU in France. Dick died on August 16th in his house near Carcassonne (South) of France. Dick, well known in the HAM community, was the creator in the fifti