I would appreciate experience-based opinions on the quality,
durability, effectiveness, and convenience of Yaesu's ATAS-100
and ATAS-120 auto-tune multiband antenna system.

I am about to make some decisions on a new mobile installation
and am looking at the Yaesu FT-857 ... which supports the ATAS
system.

There is also a third-party controller from W4RT which claims
to make any "screwdriver" type antenna compatible with the
ATAS functions in the Yaesu FT-847, 857, and 897 ...

The Yaesu antenna does not require an intermediate controller,
but I'm curious as to folks' experience with it ...

73,
Carl - wk3c