K9AY: diameter "solid wire" for the 25G tower (I used 5 inches). That sounds too small. Here's the formula I used to model my 160 vertical made of Rohn 45: http://lists.contesting.com/archives//html/
Bill and all, If I change from 5" to 8" the reactance moves the right way, but the resistance moves the opposite direction. The net result is that the model is a little closer to the measurement, but
Equivalent diameter of Rohn 25 This is where I found the reference to 5" (5.25" actually) as the equivalent radius of Rohn 25 tower: William F. Cummings (K6MYH), "Tower Equivalent Radius," Conference
I need to be a better editor of my own material! ... _______________________________________________ Antennaware mailing list Antennaware@contesting.com http://lists.contesting.com/mailman/listinfo/a
Hello All, Can anyone give references for shunt feeding lattice towers, 75'self supporting with a good radial system for 80m. THANKS WARREN ZL1AIX _______________________________________________ Ante
Hi Gary, K9AY: radius of Rohn 25 tower: Proceedings, 14th Annual Review of Progress in Applied Computational Electromagnetics ("ACES" Conference), Monterey, CA 1998. I've found a reference for the fo
said it originally came from IEEE Transactions on Broadcasting, but I don't have the exact chapter and verse. You might ask W1FV. After a little more searching: If you have access to the June 1998 is
Let me correct any confusion I caused... In my contribution to the discussion of tower equivalent cross-section, all my references should be RADIUS, not diameter. Thus, the reference uncovered by Bil