[TowerTalk] 40/80 meter vertical

[Marv Shelton]

It seems like it could be done.  You will need the right-sized aluminum pieces for the lower section and something for the upper, which I would think you could also do with wire. To calculate the distance to the 40 meter trap, you could model it in EZNEC if you can get the electrical specs on the trap itself.
Come to think of it, its probably a good idea to model the basic antenna and your 40/80 version to see what advantage if any, you get from removing the traps for the other bands.  Some might argue its not worth the trouble, and if it ain't broke, don't fix it.

Marv wa2bfw

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And YES it's cool!