Paul is pretty accurate. I just moved to the Phoenix area in October and an extensive search began the previous May (May 2002). I enlisted the help of an agent who my son trusted (my son works for a
Hi Roger; Lets put things in the proper perspective. A concrete pumper will save you gobs of time and trouble and the money invested will only be a fraction of the project costs. I used one here a mo
Hi Jim; Section 6. PLANS, ASSEMBLY TOLERANCES AND MARKING Section 6.1 Standard Section 6.1.2.1 - Plumb - For guyed structures, the maximum deviation from the true vertical shall be one part in 400. F
I understand what you are saying, Jim. I am a Registered PE in several states, since 1977, but not in the structural field. So I certainly understand how specs can go back several generations and, if
Mark; Pirod has been doing towers in the commercial/industrial market for years. They are a very well respected company and have engineered many large projects. Before I moved to AZ I was a consultan
Hi Rich; You may wish to include the M2 40M4L in your analysis as the boom length vs boom length comparison to F12 MAG 340N is a "straddle" deal. (MAG340N has a 35' boom and M2 40M4L is 42' boom whil
I'm finalizing the "pieces" for my new antenna system here in AZ. Any comments good/bad re the Comtek Systems RCAS-8 Antenna Switch? Tnx. 73,Bob K8IA Mesa, Arizona USA near the Superstition Mtns
67455 Phone: (785) 524-9966 ~ Fax: (785) 524-9908. However its not clear what they are manufacturing either that location or their original one in Visalia, CA. 73,Bob K8IA Mesa, Arizona USA near the
I am in the final stages of a modest antenna system design for my new QTH here in AZ. I would like any of you to share your comments if you own/built or have used any of the following 40m antennas: F
Let me see if I have this right. $100 device replaces a $2 pully and some small diameter rope. Makes sense to me <sic> Bob K8IA Nr the Superstition Mtns, AZ
Here's the URL to a simple website that will show you all how to tie a bowline. Note that it even has the "one handed" Method Phil mentions! http://www.iland.net/~jbritton/bowline.htm 73,Bob K8IA Mes
old Hy-Gain 204BA and it was up for five days in Aruba. The 204BA rattled whenever the wind blew, which is all the time and it was worse in light winds. I did not install rope in the elements. I have
Anyone here have any practical performance experience with the Force 12 C39XRN? (Essentially a 39' boom with the Force 12 C19XR 3 bander and Magnum 240N 2 el 40). Am designing my new antenna system a
would add to the cost. Somebody was making antennas with copper tape embedded in fibreglass elements years ago... I'm sure what happened to them... seemed like a good idea, especially for 40M.......
It's Valmont Industries and their site is: http://www.valmont.com/home2.html Same folks who make Microflect towers/antenna supports, passive repeaters etc. Well known in the microwave industry for ma
I am told by my local Building officials that they now adhere to IBC-2000 codes as they apply to Amateur towers and permits for them. There is a reference in it to another code, EIA/TIA-222-E-1. None
I can recall the Telrex ads of the late 50s, early 60s and, indeed, the corona tips appeared on the early models. 73,Bob K8IA Michigan USA -- -- several of their antennas after 1988 and none had the
Hi Troy; If the towers can be identified as to mfr and model, the mfr can certainly supply you with the structural info you may need. If not, please bite the bullet and hire yourself a structural PE.
I must have missed something. If the guy is going to use a crane, why on earth are we talking about doing much of ANYTHING on the ground???? 73, Bob K8IA -- StripMime Report -- processed MIME parts -
an Advanced 330' tower. I wondered if anyone in the group has had any information on either of these towers that would help me with my decision. Thanks Paul W. Burke Hi Paul; The Andrews M36 series