...if folks want to use city or county facilities one path to use of the facilities is to be recognized as a contributor to the jurisdiction, i.e. helping with public safety exercises, parade or race
Our tour first visited the coil room on the upper floor of the transmitter hall. The vast arrays of copper 'plumbing' were similar to those of Criggion but in the larger building looked more impressi
Gary, I just went through a similar problem using Ethernet extenders. The problem is that the frequencies used on the CAT5 are typically in the 7-10MHz range. The vendor was very accommodating and pr
Put a 109" stainless steel whip at the top of the mast and ground it to the mast. It's a low cost method that might divert some of the lightning energy EMP...all bets off on a direct hit. Some guys p
No Problem...maybe Joe can room with his buddy Ebbers from WorldCOM... _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk
If the tank is buried it will come with two ground electrodes that go beneath the tank to prevent electrolysis of the tank sink. The surface mounted tanks usually are not required to be grounded othe
Author: "WA3GIN in Alex. City, VA" <wa3gin@comcast.net>
Date: Tue, 4 Sep 2007 12:50:27 -0400
You can purchase crimp on connectors for the LMR-400 that are either type "N" or PL259 or SO239, etc. RF Connection, Inc. Rockville, Md. 73, dave wa3gin@COMCAST.NET __________________________________
Author: "WA3GIN in Alex. City, VA" <wa3gin@comcast.net>
Date: Tue, 4 Sep 2007 13:44:32 -0400
Also, a good idea to solder the center conductor copper wrap to the PL-259 tip. The crimp toll does a good job but there are rumors that after several years oxidation between the copper and PL-259 ti
Author: "WA3GIN in Alex. City, VA" <wa3gin@comcast.net>
Date: Tue, 4 Sep 2007 16:16:06 -0400
At the Shelby Hamfest I saw the "new" MFJ window insert designed for UHF connectors, balance line, etc. It was pretty nice looking...you might want to check it out, get some ideas, perhaps make your
Tim, I've being doing it as you describe for some time now. You just have to remember to latch both the transfer port on the first switch and the selected antenna on the second switch. If you the abi
...there is a company in Canada that produces a 50ft helical center loaded antenna for use on ships and for Public Safety AM LP stations. Arlington County OEM, VA installed one of this self-supportin
This outfit claims the tower would sell for over $300,000 new in today's dollars. Plenty of nice picks of the refurbushed units being sold. http://www.mcenco.com/Tower.asp ___________________________
One more question....is there really a difference between these Polyphaser units. For example one unit the IS-B50LU-CO is rated for 1.5-400MHz. Can that unit be used on the 70cm band? 73, Dave Wa3gin
MOTO may only be purchasing the Land Mobile Radio portion of the company. Although there are plenty of ham radio operators who work in MOTO. It will likely be the end of the Yaesu amateur line in my
I don't think the acquisition is about ham radio...its more likely to be about VERTEX becoming viable competition to Motorola...Vertex hardware is a bit less than half the price of MOTO. If VERTEX ac
Just Google it... Here ya go:www.danbury.org/CARA/Capers/capersv10i7.pdf 73, dave wa3gin _______________________________________________ _______________________________________________ TowerTalk mail
We call it DUCT SEAL around here...sold in small brick sizes at Home Depoy and Lowels and in larger bricks at electrical supply companies. 73, Dave Wa3gin Barry, EI/W5GN, asked how to seal up a 3" di
...I wound a 160m monoband PI-NET coil from TWT #10 wire, close spaced over 4"PVC. A pair of 813s and a couple of air capacitors with this home brew low tech coil puts out 1100 watts into the bird. I
Paul, You can purchase a 30ft piece of 3" irrigation tubing from Farmville, VA. Bolt it to a 4X4 post. Attached a small capacity hat on the top (if needed). and your ready to go. Have Fun, dave wa3gi
Paul, I forgot to mention that the 3" irrigation tubing fits perfectly inside 3" schedule 40 PVC in case you want to use the PVC to insulate the aluminum from a steell post, etc. 73, dave wa3gin -- O