Posted by
Oliver Dröse on
Mar 15, 2012; 10:32pm
URL: http://elecraft.85.s1.nabble.com/KPA-500-high-gain-modification-tp7376643p7377280.html
Great Alan, nice idea with the manual! ;-))
Anyway, a very big part of this world's ham population is not bound to FCC
rules. So no need to make it public how to modify, just publish the
schematics or send them out on request without pointing out something and
Elecraft should be safe?
My KPA500 is serving me very well on my remote station so also no chance to
take the PA apart again and have a look myself and just buying a second one
without knowing it is possible might be a bit too expensive to find out.
;-)) But I would buy a second KPA500 in a heartbeat if I knew I could modify
it for 10 watts drive for full output!
73, Olli
----- Original Message -----
From: "Alan Bloom" <
[hidden email]>
To: "Oliver Dröse" <
[hidden email]>
Cc: <
[hidden email]>
Sent: Thursday, March 15, 2012 10:58 PM
Subject: Re: [Elecraft] KPA-500 high gain modification?
> On Thu, 2012-03-15 at 21:54 +0100, Oliver Dröse wrote:
> ...
>> Three big reasons I can think of that Elecraft does not want to release
>> the
>> schematics:
>> a.) To keep them hidden for the competition (quite understandable).
>> b.) It would probably put down sales of the KPA3 a bit (hmmm).
>> c.) If somebody modifies it themselves it will be almost impossible to
>> support it in case of problems (quite understandable, too).
>
> The other reason is they might get in trouble with the FCC if they make
> it too easy to modify.
>
> Many years ago when the CB craze was at its height, a manufacturer who
> shall remain nameless came out with a new transceiver. On page 1 of the
> manual was an illustration of the underside of the chassis with a big
> arrow pointing to a certain wire. "Do not cut this wire or the
> transceiver will transmit on 11 meters."
>
> They didn't get away with it. :=)
>
> Alan N1AL
>
>
>
>
> -----
> eMail ist virenfrei.
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> Version: 2012.0.1913 / Virendatenbank: 2114/4872 - Ausgabedatum:
> 15.03.2012
>
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