Here is the actual GE Transient Voltage Suppression Manual: http://www.introni.it/pdf/GE%20Transient%20Voltage%20Suppression%20Manual%201976.pdf 73 Bill N4LG the construction and use of MOVs. It's st
Tony, I use the RFU507SI for Davis Buryflex, LM400 and 9913. I use the RFU507ST for RG213/RG-8U and the RFU507STF for RG-214. They are all different in pin diameter and jacket size. 73 Bill N4LG Davi
Howard, Over thirty years ago I bought a 21ft high carbon steel fence post/rail for chain link fence from our local fence wholesaler. It was 1.9" OD, 1/4" wall thickness and very heavy (75-100lbs). I
BUYER BEWARE - The download from this site crashed within 1min of downloading via Windows-7 and IE-10. Then the site was unavailable for several minutes (OVERLOADED?). The thoughtful system administr
AntennaX support responded to my trouble ticket with a second download opportunity, with the caveat: They do not recommend Microsoft Explorer (any version) with Windows-7. They only recommend Chrome,
I agree with Dennis that a simple gamma or omega match on the boom of the TH-11 would give you a decent antenna for 40m, high in the air. I would suggest using 12ft of 1" 6063 tubing, stood off the b
Greetings, I have for sale a new-in-crate, unused Force12 MAG620/340N antenna. This is MONSTER 6ele on 20M and 3ele on 40M on the same 47ft boom. It requires a tower such as Rohn-45/55, and a healthy
Hardy, Attached is a marketing analysis of several handheld analyzers I did for our ham club. It has links to the technical details. 73 Bill N4lG At 10:13 AM 7/7/2016, Hardy Landskov wrote: I would l
Here is a copy & paste of the analyzer comparison. 73 Bill N4LG Comparison of Antenna Analyzers from eHam Source of review data: http://www.eham.net/reviews/products/31 Sorted by highest score and hi
While we are looking back, a major contributor we should remember is Brian Beezley, K6STI, who pioneered much of the NEC code and produced Yagi Optimizer, Antenna Optimizer, and Terrain Analyzer in t
Duane, Look for "tag-ends" (end of reel) of PVC coated aluminum hardline from the cable TV installers. Uncovered aluminum is also good stuff, but needs to be kept off the ground. I have received thou
Steve, I run K6STI's YO, AO and TA in DOSBOX under Windows 10 with no issues. DOSBOX is free and has extended the life of these great modeling programs from Brian Beezley. I would be very surprised i
The following device might be a good option for straightening bent tower legs. Although, perhaps not ideal for crushed leg segments where a splint or replacement would be better. XtremepowerUS Hydrau
Another stupid cover is the September 2015 QST issue showing the Christmas tree of mobile radios and multiple display units in a truck cab. How can we seriously tell our children and friends not to t
Beware of the phishing attempt you may receive (below). Someone has harvested names from this list and is targeting "tower-speak" members. 73 Bill N4LG Delivered-To: n4lg@qx.net DKIM-Signature: v=1;
Download a copy of DOSBOX emulator and YO, AO, TA and others will work just fine in windows 7 & 10. https://www.dosbox.com/ 73 Bill N4LG Here's the manual from 7.61. It looks like the first number in
Terry, You might try lightly sanding both pieces befor you apply the primer and glue, just in case there are any rough spots. If still too tight, maybe try heating up the bell end with a heatgun befo
HP has some good reading for thinking about and measuring Q for circuit elements. www.hparchive.com/Boonton/BRC-The-Notebook-04.pdf www.hparchive.com/Boonton/Boonton-Manual-260A.pdf www.hparchive.com
Bob, I still use K6STI's fabulous YO, AO and TA for all my antenna projects. I found that if you install DOSBOX (free) you can run the programs in a native environment under Windows 7 & 10, on a FAST
Dan, I bought two SW-25 units from Robin Midget, K4IDC. One is 4ft high for one antenna and the other is 10ft for two antennas. 73 Bill N4LG At 09:43 AM 5/14/2018, Dan Atchison via TowerTalk wrote: W