On 7/20/2019 20:58, Tim Duffy wrote:
In the process of replacing the 40 meter Yagi's here this summer. 28 years
is enough for these elements - time for new aluminum.
Hi Tim,
I know aluminum has a finite fatigue life, no matter how low the stress,
but how do you know when to replace an antenna, unless it has failed?
73,
Scott K9MA
--
Scott K9MA
k9ma@sdellington.us
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