[TenTec] ORION Contesters: HELP PLEASE

[Sinisa Hristov]

Rick Westerman wrote:
 
> Man, I'm gonna have to take a look at your suggested link because
> I didn't understand a word of that.
> I've always heard of 2-tone, never heard of 3-tone.

It gets worse with 3 signals.

If the first filter is 15 kHz wide, then almost half of the
7 MHz CW band passes through, gets amplified by ~17 dB
and reaches the second, mixer which is much weaker than the first one.

The result?  See/hear for yourself :-)


73,

Sinisa  YT1NT, VA3TTN




Rick Westerman wrote:
> 
> Man, I'm gonna have to take a look at your suggested link because
> I didn't understand a word of that.
> I've always heard of 2-tone, never heard of 3-tone.
> 
> Thanks for the tip.  I'll check it out.
> 
> 73
> Rick
> 
> -----Original Message-----
> From: tentec-bounces at contesting.com
> [mailto:tentec-bounces at contesting.com]On Behalf Of Sinisa Hristov
> Sent: Monday, January 05, 2004 11:34 PM
> To: tentec at contesting.com
> Subject: Re: [TenTec] ORION Contesters: HELP PLEASE
> 
> Rick,
> 
> not strictly a "Con", but three-tone close-in intermodulation
> audio/video recordings may be of interest, as they occur with
> levels as low as S9+20 dB:
> 
>   http://www.yt6a.com/download/
> 
> 73,
> 
> Sinisa  YT1NT, VA3TTN