Topbanders,
i'm looking for advice on automatic antenna matching.
The goal is to automatically match a vertical for 160m and a loop for
80/40/60/(30)m using motor-driven variable caps.
We are using microham gear for station management, so we already have
information about tx-freq at hand. My understanding is microham
uLink-Data boxes translate data from many transceiver models to
protocols a whole bunch of matching units can deal with, be it ultrabeam
or steppir or such.
We plan to use a credit-card sized computer (raspberry) to drive a
motorized cap. The computer will set the cap to a pre-defined position,
based on stored information in a table (and probably switch inductance
in and out) .
The protocol must be able to deal with large splits , e.g. USA calls
above 3.8Mhz and listens on about 3.6Mhz.
I cheked the radio outputs information about rx & tx - frequency and if
it is in split-mode or not.
My question is: Has anyone on the list done this ,what protocol did he
use/like best and for what reason?
Is there anything i'm overlooking right now?
--
Ohne CW ist es nur CB..
73, Martin DM4iM
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