[amsat-bb] FT-847, uni-directional or be-directional version?

[tosca005 University of Minnesota]

You can't tell reliably by just looking at the serial number. My FT-847 has
an "old" serial number and originally had the unidirectional firmware, but
when I sent it to Yaesu for servicing (early in its life) they updated the
firmware to the bidirectional capability. Unfortunately, I am almost
certain that they no longer offer that service.

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On Tue, Mar 6, 2018 at 9:37 AM, Erich Eichmann <erich.eichmann at t-online.de>
wrote:

> Hello,
> Does somebody know whether one can recognize by the serial number of the
> FT-847 whether it is an old, uni-directional or a newer, bi-directional
> vrsion? A user here in Germany has two FT-847 with serial numbers 3M840064
> and OE320084.
>
> 73s, Erich, DK1TB
>
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