To: | Tower Talk <towertalk@contesting.com> |
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Subject: | Re: [TowerTalk] Which tower? |
From: | Jay Terleski <jayt@arraysolutions.com> |
Date: | Sat, 04 Oct 2003 15:09:11 -0500 |
List-post: | <mailto:towertalk@contesting.com> |
Tower men,I have not been on this reflector for quite some time due to my work load as Array Solutions continues to grow. I had to cut down on the emails and unfortunately this list (one of my favorites) had to go. But a friend alerted me to a discussion about free standing towers, so I took a peek in the archives and was pretty amazed at some of the emails there. It caused me to sign back up to at least try to put down some facts. I hope that no one takes offense. So with all due respect to the authors of those messages, I am certain that good intentions were meant, but some possible damaging comments were said about AN-Wireless that are just not so. First let me also disclose that I am the primary US Amateur dealer for The AN Wireless Tower Co. as verifiable by Dan Simmonds at AN Wireless. As such, I claim the right to respond equally as did US leading supplier of Trylon towers and balance the thread. There are some facts that need to be known about the Trylon Titan tower design that are not being voiced. K3UG/6 brings up a vital point concerning calculations for this design. Correspondence with Trylon has revealed that the Trylon Titan tower was not designed to follow ANY standard or code. Thus, the Trylon Titan tower design is not capable of meeting the design compliance typically required by an LBA (Local Building Authority). The accepted standard for tower design in the US is currently ANSI/TIA/EIA-222-F-1996, of which the Trylon Titan will not meet. Hard copies of such correspondence are available upon request from Dan at AN-Wireless. Do not email me since I am not going to remain on this list long. A design investigation was performed on the Trylon Titan tower, which has found this tower to be in non-compliance with several requirements of ANSI/TIA/EIA-222-F-1996. This sealed report is viewable online at www.anwireless.com/dc.html It has been there for some time now and is not new. Some of you probably have already found it. Bottom line of the study clearly show that the Trylon Titan tower is not capable of receiving a seal for the above mentioned design standard by Professional Engineers in the US. Sure you can probably can get a building permit, and I bet many have (don't send me the "hey my building inspector said it was OK" messages I don't have time for it. I ask in return did they really check down at city hall? Is it really OK with you? That is the question you should ask yourself. AN-wireless does provide certified foundation plans and tower design drawings with each tower, and if your LBA requires a PE stamp for your state they are provided for the minimal charge of $250.00 that is all. The towers break down and are on pallets, shipping is done via truck and many times Dan will drop off the tower himself in the easter US at a very favorable rate. He has contracted with a nation wide carrier as well and can ship for some very good rates. We even ship them overseas. The LD towers are not overkill, but his HD towers are excellent platforms for medium to HD antenna installations. We have done enough installations between Dan's and my customers to know that most hams do require the HD tower. It is not that unusual at all, and it is a bargain for what this tower can hold safely. Rotator plates are in several sizes, and are very well made. A typical tower will have a rotator plate 5 feet below the top plate and Dan has an intermediate bearing plate option available to help you handle very tall masts with a second bearing or just run the mast in the 2 and 1/8 inch hole to help you secure that mast and lift it with a come-a-long if you had to replace or work on your rotator. Do they weight 35 lb.? I don't know and don't care, they were designed to be what they need to be to control torque on a large rotator. And since the tower is strongly built to the above mentioned spec you may place a large mast in the tower for a big stack and be sure it will stand. This is not a claim or allegation, it is verifiable by documentation and specifications. Take the time to read the information available on the AN-Wireless site, then compare and purchase based on what you decide is right for you. If you end up purchasing an AN-Wireless tower you will have one of the finest products available for amateur radio operators. This is why we chose to make them part of our product line. Respectfully submitted, -- Jay Terleski Array Solutions 972 203 2008 Military Communications Systems, Phased Arrays, RF Switches, Antennas & Towers http://www.arraysolutions.com _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA. _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk |
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