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Old August 13th 05, 04:12 AM
MICHAEL LINGER
 
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Default FS: 500W solid state HF amp.....

FS: Solid state Skywalker 500 linear amp with 200amp metered power supply.
Puts out over 700 watts on 75M. Amp it 9+ in appearance and 100% in
operational quality. Substantially less than 80 watts drives it full power.
Also has bandpass filters for all HF bands. It's very quiet and very
efficient. $850.


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Old August 14th 05, 04:01 AM
Rick Frazier
 
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Odd... For some reason, this amplifier is available in kit form only, and only
to Hams outside of the US of A..... They are located in Surfside Beach, South
Carolina... Perhaps the Amplifier Kit does not meet FCC regulations (works for
11/10 Meters without Ham License verification)

I don't have personally verified information on this amplifer, and was
interested in it before I found it couldn't be purchased from the manufacturer
of the kit in the US..

If anyone else has better information on this amp, I would be interested, as I
could use a low priced solid state amp if it doesn't pollute the bands I work.
(primarily 80, 40 and 20 meters)

Thanks
--Rick AH7H

MICHAEL LINGER wrote:

FS: Solid state Skywalker 500 linear amp with 200amp metered power supply.
Puts out over 700 watts on 75M. Amp it 9+ in appearance and 100% in
operational quality. Substantially less than 80 watts drives it full power.
Also has bandpass filters for all HF bands. It's very quiet and very
efficient. $850.


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Old August 14th 05, 05:36 AM
Dave Platt
 
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Default

In article ,
Rick Frazier wrote:

Odd... For some reason, this amplifier is available in kit form only, and only
to Hams outside of the US of A..... They are located in Surfside Beach, South
Carolina... Perhaps the Amplifier Kit does not meet FCC regulations (works for
11/10 Meters without Ham License verification)


That does seem to be the case. As I understand it, it is not
currently legal to manufacture or sell an external power amplifier (or
sell one as a kit) which can operate between 24 and 35 MHz. Such amps
cannot be certificated, under current FCC rules, and external power
amps are the only sort of amateur-radio gear which does require
certification. I don't believe that ham-license verification comes
into it at all, in this particular portion of the rules - commercial
amps simply can't be manufactured, or kitted, or sold in new condition
to anyone, if they can amplify between 24 and 35 MHz.

The FCC has proposed (on their own initiative) that this restriction
be dropped. It was never popular with hams and manufacturers, for
obvious reasons, and it doesn't seem to have been effective at keeping
CB "linear" amps from being churned out and sold in quantity... the
original goal of the rule.

--
Dave Platt AE6EO
Hosting the Jade Warrior home page: http://www.radagast.org/jade-warrior
I do _not_ wish to receive unsolicited commercial email, and I will
boycott any company which has the gall to send me such ads!
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Old August 14th 05, 03:05 PM
John
 
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Default



Dave Platt wrote:
In article ,
Rick Frazier wrote:


Odd... For some reason, this amplifier is available in kit form only, and only
to Hams outside of the US of A..... They are located in Surfside Beach, South
Carolina... Perhaps the Amplifier Kit does not meet FCC regulations (works for
11/10 Meters without Ham License verification)



That does seem to be the case. As I understand it, it is not
currently legal to manufacture or sell an external power amplifier (or
sell one as a kit) which can operate between 24 and 35 MHz. Such amps
cannot be certificated, under current FCC rules, and external power
amps are the only sort of amateur-radio gear which does require
certification. I don't believe that ham-license verification comes
into it at all, in this particular portion of the rules - commercial
amps simply can't be manufactured, or kitted, or sold in new condition
to anyone, if they can amplify between 24 and 35 MHz.

The FCC has proposed (on their own initiative) that this restriction
be dropped. It was never popular with hams and manufacturers, for
obvious reasons, and it doesn't seem to have been effective at keeping
CB "linear" amps from being churned out and sold in quantity... the
original goal of the rule.

License verification is not part of the FCC rules. However most
manufacturers of amps will supply instructions on how to modify them for
12/10 meter operation upon proof of license.
John

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Old August 14th 05, 05:23 PM
Dave Platt
 
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Default

In article ,
John wrote:

License verification is not part of the FCC rules. However most
manufacturers of amps will supply instructions on how to modify them for
12/10 meter operation upon proof of license.


Yup. It's legal for a licensed amateur to perform such a modification
(no more than one amp per year or one per model per year, I can't
remember which), and it's also legal for an amateur to sell an amp
once modified to another amateur for amateur use.

License verification isn't required by the FCC, but I imagine it's a
good way for a manufacturer to show a good-faith defense against
charges that they're selling amps intended to be modified for CB use,
and for amateurs to make sure that they're selling used amps in a
legal way.

--
Dave Platt AE6EO
Hosting the Jade Warrior home page: http://www.radagast.org/jade-warrior
I do _not_ wish to receive unsolicited commercial email, and I will
boycott any company which has the gall to send me such ads!


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