Hi all, All the talk about older Force 12 linear loading vs. Tornado coil upgrades inspired me to rebuild a 20-yr old C-4SXL I have had stored in pieces for a few years. I took some pictures along th
Hi groupbrain, I inherited a 3-element 6M beam which appears to have a sort of gamma matching system. It has an SO-239 input into a machined aluminum block, and on the opposite face are two what 75 o
Julio, W4HY correctly identified the antenna as a M2 model 6M3...in less than 5 minutes!!! Thank you so much Julio! Cheers, you amazing collection of brains! Howie - WA4PSC __________________________
Thanks to all who helped identify this antenna, as well as the tips to making sure it works correctly! Cheers & 73, Howie - WA4PSC _______________________________________________ ____________________
...I'm not sure why more hams don't do what the pros do. I've been watching the discussion with some interest to see where it would go, and to see if anyone has come up with a better system than the
This is wayyy OT so I'll keep it brief: many years ago I worked as a service technician for a stereo chain. The service manuals for the Asian equipment was full or mis-translations...the best one was
Jim, That is affirmative, I just tried it. Email me if you want a pic showing clearance. Cheers & 73, Howie - WA4PSC www.proaudioeng.com _______________________________________________ ______________
Hi all, I have a 265' 160M OCF strung between two 90+ ft. trees which are ~400ft apart, so it required a LOT of tension to keep relatively horizontal. I tensioned it by hanging on the line end before
Hi all, When I was researching for my 6 KW system in 2011, I used a small portable Eton emergency radio tuned to static above the AM BCB to listen for RFI when visiting sites. There was a large diffe
Hi all, I know Jay Terleski and Array Solutions and like Gary - K9RX I agree AS's products are not cheap but they are well built, and I have not yet heard them called a scam outfit. AS does serve ham
Hey Steve, I've been using the 265' OCF Carolina Windom with a 22' vertical radiator at 80' and it has been a good antenna on 160, 80 and 40...less so on 20M up. The more poorly defined pattern which
Hi Pete, I have used OCF dipoles for years, and as a "one-antenna for all bands" they do work. I use the "Carolina Windom" and for those unfamiliar with it, the Carolina Windom uses a (relatively) sh
Hi Gary, I had my doubts about a two element Yagi, but I have had a good amount of contesting experience with the Cushcraft XM-240 and I can tell you it has decent F/B and with 500W will break DX pil
Jim, I have used a 0.722" ID Fair-Rite p/n 0431176451 mix 31 Snap-It as the feedline choke (5 turns of RG-58) on my car for over five years now. All that is protecting it is a piece of 3" ID dual-wal
Rohn gives the specifications for three foundation options as shown in their pdf linked here (shortened to avoid wrap issues): https://tinyurl.com/ybq2fkzj I have a 120' SSV but the cost of the found
Hi Bob, Two data points: 1) When I worked at a radio astronomy lab as a college student the engineers there said silver plating the machined copper cavities ruined their performance which I didn't un
Hi John, The intermediate grounding kits are almost always bolted to lugs on galvanized brackets welded to the tower itself. It is likely that the grounding whips provided by Andrew in their groundi
The Alumoweld wire is available from MFJ/Hy-Gain here: http://www.hy-gain.com/Product.php?productid=691067 <http://www.hy-gain.com/Product.php?productid=691067> And a full review on rebuilding those
I can't seem to post...I know where Alumoweld wire can be bought _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@conte
Remember that RF is radiated by ANTENNAS, NOT transmitters, so what matters for RFI is the relationship between the ANTENNAS and the RF source (or victim). 73, Jim K9YC And you being a master of the