Hi Jeffrey,
The applicable rules are 97.315 and 97.317 plus a few referred
rules. In short, 97.317 says that an EXTERNAL RF HF amp must require
NLT 50 W drive to produce its full rated output. You may use such an
amp and drive it with the 817, e.g., if you have a Yaesu Quadra, then
the output will be 50 W. (Of course the Quadra is $4,000.)
In the US, a docking station would be considered an external amp.
Not allowed. You may build one amp per year, but not from a kit. If
you find an amp to buy, it is OK to buy, own and operate (as long as
you comply with the emission rules) regardless of the source. For
example, THP can not legally sell its amp in the US or ship it to the
US, but it OK for you to buy it and own it.
And yes, all of these oddities are the result of the CB problem of
the late 70's.
Don't look to Yaesu for an expanded top cover or such. The thermal
design of the 817 simply would not support the added dissipation.
The 817 was designed as a QRP rig (with the capability to interface
to an external amp -- see the ACC jack legend on the schematic).
I note that these rules apply in the US and not necessarily in other
countries. FWIW, I estimate that presently about 40% of the FT-817
are owned by non-US hams.
72 de Barry - W4WB
--- In FT817@y..., "Jeffrey Steinberg" <jeffreys@c...> wrote:
I think this is illegal, per FCC. A radio has to load an amp with
a minimum
of 50 watts. Its a rule
that came out, if I remember right, in the 1970's so that CB
linears would
be harder to come by.
My friend, K2ACB asked Yaesu about this (apparently there used to
be a
similar Yaesu amp a number
of years back) and the guy at Dayton gave the reason above.
Don't hold your breath in the U.S.
Dave, not sure where you are, though.
--jeffrey steinberg, K2MIT
-----Original Message-----
From: Dave B [mailto:dave756pro@h...]
Sent: Wednesday, May 23, 2001 8:13 AM
To: FT817@y...
Subject: [FT817] amplifier
Anyone have ideas on a docking station to be released by Yaesu
with
amplifier?
Dave
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