>My tower was damaged by a truck delivering gravel (one guy and
>2m antenna in the top.) Their insurance wants to prorate the years I
>owned the tower over the useful live of the installation. I'm not sure that
>this is acceptable, but if I have to make the choice, what would be the
>useful live of the installation?
>
>Tower is 90ft Rohn 45, guyed by a mix of phillystran and steel cable.
>
>73 Paul KK4HD
I suppose it could be argued that it depends somewhat upon the environment
you live in. I have some 25G installed here that I first installed in New
Hampshire in 1971. It was used then and I would guess at least 10 years
old. So now it is 26 years later so I estimate its age at 36, and still
going strong. I am 58, plan to live another 30 years, and expect the tower
to outlive me. Around here, I'd say 45 should even outlast 25, so 80 years
would be a number I would shoot for. I would not expect that life in a salt
air or smog environment.
It is just my guess. Your mileage will vary.
Stan w7ni@teleport.com
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