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Re: [Amps] My NCL-2000 warc band experiments

To: <TexasRF@aol.com>, <franktbrady@comcast.net>, <amps@contesting.com>
Subject: Re: [Amps] My NCL-2000 warc band experiments
From: "Carl" <km1h@jeremy.mv.com>
Date: Sun, 18 Jan 2009 11:22:08 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
The NCL works fine on 17M in the 15M position but the Q is a bit high, 
Operate only in the CW position, is linear for SSB.

With 200W being the legal limit on 30M in the USA I have no suggestions 
for that .

Carl
KM1H
National Radio 1963-69
Member of NCL-2000 Design Team
----- Original Message ----- 
From: <TexasRF@aol.com>
To: <franktbrady@comcast.net>; <amps@contesting.com>
Sent: Sunday, January 18, 2009 10:55 AM
Subject: Re: [Amps] My NCL-2000 warc band experiments


> Frank, asking out of curiosity here: did you by chance try 30m with 
> the 20m
> position and 17m with the 15m position?
>
> If there is enough C in the variable caps you might reach resonance 
> without
> having to add the coils taps. Granted the loaded Q will be higher but 
> at these
> relatively low frequencies (compared to 10m) might work ok.
>
> On the heating effect; it is fundamentally an I squared times R thing. 
> The  R
> could be higher, the I could be higher or both. I do know that a 
> soldered tap
> will be much lower loss than the limited contact area provided by 
> alligator
> clip  teeth.
>
> 73,
> Gerald K5GW
>
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