Hi Mike,
> I read recently where Ameritron is now using stainless steel for the
> chassis of some of their amplifiers. This seemed like an expensive
> proposition compared to aluminum but at first I figured that the folks who
> live near the salt water environments would be pleased and perhaps I
> wasn't as firmiliar with what sheet metal costs are these days anyway, so
> I didn't think much about it again until just the other day. What gave me
> a new way to look at things was the diagram of various reasonances and
> areas of capacitive and inductive reactance within an amplifier shown in
> the ARRL handbook.
1.) The surface area of the chassis is so large conductivity is high
no matter what material is used.
2.) Virtually none of the stainless steel is in the RF path anyway, it
is just the box that supports stuff.
73, Tom W8JI
w8ji@contesting.com
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