Use AutoEZ in front of EZNEC. http://ac6la.com/autoez.html Wes N7WS John KK9A _______________________________________________ _______________________________________________ TowerTalk mailing list To
Then, their is a tower safety article in that edition of QST. Their is? Is it called, "How knot two tie a tye?" _______________________________________________ _______________________________________
It's disturbing to me to see my late friend Walt Maxwell, W2DU, disparaged this way. Walt addressed this issue before his passing here: http://www.eham.net/reviews/detail/2300 Wes N7WS On 3/15/2017 5
I stand corrected re: W2AU v W2DU. Nevertheless, Walt's comments did apply to some manufactured products. I think you may be confusing W2AU-branded parts with W2DU's. Walt's original common mode chok
If you were in the southwest I would suggest Industrial Metal Supply. Look for someone like them near you. I would also consider .12" wall steel over aluminum. IMS is great, I was just there a couple
I think three feet or so would do. I have a Rohn 45 with a tapered top section w/thrust bearing. I put the rotor down three rungs (~4') and use a 10' 1/4" wall DOM steel mast. I bought the mast mater
IMHO, the rebar in steel-reinforced-concrete is there to constrain the concrete under tension. It's not there to anchor the tower. Generally speaking, welding isn't a good idea either, unless rebar g
IIRC, three fellow DX club members all ordered Tashjian towers and SteppIR antennas at about the same time. I didn't pay close attention but the conversation at the club meetings that I overheard wer
A bit of history about towers in Pima County. When I put up my tower all that was required, if anything, was a zoning/land use permit. The county basically wanted to know that if it fell down it woul
So they take a Force 12 model, change everything about it and still call it a Force 12? Wes N7WS legacy F12 ants, yagis + verts. But each select F12 ant will be completely re-optimized to NEC-4 pro s
Then at least they ought to call it a "Pro III", "Mark XII" or something like that. And where do you find this info, Texasantennas.com seems to be an empty website. Wes N7WS So they take a Force 12 m
Make the inspector happy. It doesn't cost anything and if you do another job, he'll remember you fondly. Wes N7WS Looking at the plans, the foundation (5x5x6) calls for only the 3 base legs, and no r
Yes. Just check the geometry of the tilt plate ahead of time. I helped install one of the humongous Steppir beams on a friend's (W7EXG) tiltover tower. Because the boom diameter was larger than the p
Fire Department Jaws of Life? 2) Use a telescoping hydraulic cylinder (a.k.a. hydraulic ram jack) to push the two J-bolts against each other since they are both leaning in by the same amount. What I
No kidding. -Steve K8LX Gary, The lower the better? Rare when higher is better? Seriously? _______________________________________________ _______________________________________________ TowerTalk ma
I was thinking about building an LPD antenna and purchased some Strongwell 2" square fiberglass tubing about 7 years ago. I never finished the project and the tubing has been kicking around the yard
I second this. Great stuff, meticulously measured and presented. He and the late Cebik are great resources. Frankly, I'm amazed at how prolific they are. Wes N7WS ____________________________________
It's generally still called a U-bolt. However, DX Engineering generically calls them "saddle-clamps" and differentiates between U bolts and V bolts. The triangular shape accommodates different mast s
As a user of AutoEZ and its predecessor programs for years, I never stop being amazed at Dan's prowess. I don't own, or see a personal need to own, Yagi Mechanical, so I won't be testing this capabil
How about shunt feeding the taller tower? Wes N7WS Hello... I am now in the final stages of putting up a serious 160m ant. Either will have a K2AV FCP. and a common mode choke. Question: Both antenna