I have had one of these systems made by DogWatch in operation for 3 years. It is 2-3 thousand feet in circumference and runs about 75-100 feet away from the tower which is outside the circle. All of
Dennis, I had the same problem with a similar configuration of inverted L. I measured the antenna at the base with an MFJ259B and used the readings as input to the matching formulas given by ON4UN, w
TTers, I have contacted the individual responsible for maintaining the NJDXA web site beam headings page who was aware of the problem reported earlier. It should be corrected soon. The URL for this s
DX Engineering makes a very good one. Les W2K _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://li
My Orion 2800DC rotator stopped rotating and was stuck at one of the limits. I had the controller upgraded by M2 but the problem remained. I now have the motor on the bench and it appears that one of
I have been using Jefatech's 400 for about 5-6 years on HF without problem. I have it set up for permanent and semi permanent installations. Les W2LK _______________________________________________ _
Alfredo, Your local lumber yard or big box store usually carries solid core doors. These are flat doors that have a solid wood core between the outer veneers. They come in a variety of sizes and can
Can anyone tell me where to find irrigation tubing in NY State (Kingston) or environs? Les W2LK _______________________________________________ _______________________________________________ TowerTa
What is the difference between 6061-T6 and 6063? Les W2LK _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.c
Alfredo, Frank, I found the manual at http://detmills.hp.infoseek.co.jp/ANTENNA_MANUAL/ANT_SUPPORT_AB_105C.pdf Les W2LK _______________________________________________ _______________________________
Having just upgraded my controller to the 2800PX version and rebuilding the rotator I now have a problem that didn't exist with the old controller. After calibration, setting an azimuth results in th
I agree. I have a similar setup in an area where it is damp or even wet most of the time. The insulated radials are crimped and soldered to lugs which are bolted to the plate. All of this is exposed
I have a SPG question which I would like advice on. Background: There are four structures on my property; the newly built main house, about 1 1/2 years old; a separate garage with living quarters abo
Jim, Having gone through a rebuild earlier this year, I suggest you also replace the limit switches while you have the beast apart. Make sure the motor brushes are not worn and its bypass capacitors
I have the new design, expensively updated by M2 at the beginning of this year. Nothing but problems since and I ultimately switched to a Green Heron. Works perfectly and without all the hash and noi
On the other hand, for the past 4 years I have two variables in a small tuning network in a 12" x 12" weather tight PVC box from HD. I drilled several 1/16" holes in the bottom and have not had a moi
Lowes, Home Depot, your local electrical supply house, etc. They all carry it in lots of sizes. Whatever you do, get larger diameter than you think you will need. There are _always_ more things you w
Ed, In my case, the problem was a bad limit switch but the others are correct. Damage to the reed switch is usually the cause of this problem. I also had problems with the shaft splines which had bee
I used Loctite on SS nuts and bolts on a beam and its boom attachments on a tower in Manhattan. When it was removed about 8 years later, there was no galling, easy removal and everything was reusable
Not a chance. It was blue, I bought a small tube at HD and used it up. I think either 242 or 243 would work. My purpose was to ensure that the bolts never came loose since I was living in a coop buil