Michael, My name is Robie Elms - AJ4F. I live in Kemah, TX - not far from Pasadena. I am willing to evaluate your friends situation. If I can do the work safely, I can assist. Please e-mail me direct
Michael, Thanks for the update. 73, Robie _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.
All, I have seen release agents used in the pre-cast business and in some specialty cast in place applications. The following link is to one suppliers web site: http://www.grifcote.com/BiodegradableC
Dave, I suggest a 1/2 wave vertical for 10. One for 20 May be too long, but you could easily do 12, 15 or possibly 17. You could use a telescoping fiberglass pole and # 14 wire inside. For matching a
Chuck, I built a 1:1 current balun (choke) with one 2.4 " OD #31 core following information published by K9YC. I used a PVC box approximately 4.5" X4.5"X2.5" as a housing, installed a SO239 a used ss
Allen, I have no personal experience with attaching aluminum structure to concrete. However, Universal tower states that this is a problem. See the following link: http://www.universaltowers.com/I-B.
Here is a link to Cadweld. http://www.erico.com/products.asp?folderID=199 Robie - AJ4F _______________________________________________ _______________________________________________ TowerTalk mailin
Please share what you learned. Robie AJ4F _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.
All, This link provides info on PEX tubing from one manufacturer. I does not look like this material is good for applications where it is exposed to direct sunlight. http://www.viega.us/4901.htm Robi
I would love to have a good yagi at 40-50 feet or so. However, I am like Joe and mostly use a dipole @ 30 ft and sometimes a 3 el yagi at the same height and my results are similar to Joe's. Yesterda
Tim, I believe Wes is correct and you have a intermittent connection. I have found breaks in the 450 ohm ladder line I use in a similar set up. My line has copper clad steel conductors and it appears
One brand of this equipment is EzTrench Here is a link to their website http://www.eztrench.com/wirecable-installers/ Robie - AJ4F _______________________________________________ ____________________
One brand of this equipment is EzTrench Here is a link to their website http://www.eztrench.com/wirecable-installers/ Robie - AJ4F _______________________________________________ ____________________
I have an old Tri-Ex tower Model HM-354 with a TA-54H tilt over accessory. I'd like to reinstall this tower in a new location and am in need of a RCB-54HT concrete base mount. I thought that the curr
Joe, I ordered several parts back on October 6, 2020. I received a partial shipment on October 25. Shipment of the remainder of my order has been delayed several times. The latest estimated ship date
I also use a pair (at 90 degrees) of K9AY loops and a preamp. Works much better than my transmit vertical much of the time. An inexpensive way to start with RX antennas. Robie - AJ4F ________________
All, I have a rigid base for an old Tri-EX tower that has never been installed. It has some rust, not much. What surface preparation should I do before installing it? Robie AJ4F _____________________
Grant, It is not galvanized. Thanks for the information. Robie AJ4F _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@co
I'm working on one of these old towers and there was a problem with the winch that extends and retracts the tower. I believe it is 40 to 1 worm gear drive. This winch has a long drum and mounts on th