Hello Jim, I am not sure what model number you are asking about, however here is a YouTube video about the most popular one. The rotor calibration is based on calibrating rotation time - that is how
I have several coax switches that have the female UHF connectors (SO-239) mounted right next to each other - in a cluster of 10 or 12 connectors/cables. This makes it hard to insure each coax cable w
Hello Bill! Three years ago I attempted to construct a proper four square phasing network using four 5/8 wavelength elements and 1/4 wave spacing (on a side) for 10 meters. I installed 60 ground radi
Hi John! Currently the second stations (mult) only have access to the four square receive arrays at K3LR. However, I expect to add run station access to the four square arrays very soon. Yes, there a
A few months ago I asked a question on this reflector about tools that would help tighten PL-259 connectors on remote coax switches, four square boxes, stacking boxes, etc. Anywhere there is a tightl
Hi Gordon: They are two different tools and two different URLs One is OEM 25542 Spark Plug Pliers The other is Lisle 52990 Spark Plug Pliers 73, Tim K3LR ________________________________________ From
Hello Alan: I used both pliers extensively on my PL-259 shells during outside maintenance checks in the last week. They worked perfect. That is why I posted the success story to Towertalk. 73, Tim K3
installations - Even connectors tightened under controlled conditions can loosen by being outside and going through temperature variations of more than 50 degrees) along with normal tower shaking (r
Sure would be handy if you could take your iPhone up the tower - place the phone in line with the antenna boom - just off the tower (maybe with a nice holder to keep it in place - bungee?). Then acce
Hi Henry! We have used a Comtek 4 square system on 10 meters for the past 20 years. It works great. 73, Tim K3LR Has anyone used one of the Comtek 4-square systems on 10 meters? 73, Henry - K4TMC ___
http://swap.qth.com/view_ad.php?counter=970487 73, Tim K3LR _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting
Hello Joe! The TA33JR was my very first Yagi antenna back in 1973. It works very well for its size. The #41 blocks are metal (for the director and reflector mount). The #44 block is black plastic (fo
W6NL has sent me an update to his original work. It is labeled as - Updated Moxon document 2012 W8WWV has contributed a wonderful paper on various NEC model results of the W6NL 2 element 40 meter Mox
2012 Dayton ANTENNA FORUM - Friday afternoon 1430 - 1700 EDT ROOM 1 Tim Duffy K3LR, Moderator "Enhancing the Performance of the K9AY Receiving Loop Array" Dr. Richard C. Jaeger, K4IQJ "Tower Climbing
Hello Lonnie, It may help during your decision process to review the W6NL 2 element 40 meter Yagi documents posted here: http://www.k3lr.com/engineering/ 73, Tim K3LR --Original Message-- From: tower
http://lists.contesting.com/_towertalk/2005-03/msg00067.html "The worst ones are the 40M yagis, in my observation. I had a pair of 2-element 40M Telrex yagis on a 160' tower. They hadn't been up mor
Mouser has plenty of 83-1SP stock and has never mixed up my past orders. Here is the direct link: http://www.mouser.com/ProductDetail/Amphenol-RF/83-1SP/?qs=qhgJLQbFbXlTrY%2f urm6%2fdK9JcmKYuXeH 73,
There were five excellent papers (by K4IQJ, K3TUF, K1KP, W2GD, K4ZA and K9LA) presented at the 2012 Dayton Antenna Forum. Go to http://www.k3lr.com and click on the Dayton Antenna Summary 2012 to vie
Hi Steve: Here is a good source for clamps http://www.dxengineering.com/search/department/clamps-and-fasteners 73, Tim K3LR Howdy, TowerTalkians -- I need some small SS U-bolts to repair the linear l
Hello Jeff: I have tested and used both of these units. With ground mounted mono band verticals - the performance difference between the two was not significant on 80 meters. As a test - we installed