Re: [IRCA] The "mystery" of 1710khz

["Les Rayburn" <les@xxxxxxxxxxxxxxxx>]

Barry,

Which software do you use to determine carrier offsets? And
can I also ask you the settings that you've found to be most
useful?

Used to do a lot of this sort of thing for very weak signal
LF work...amazing stuff. After the KFI carrier stuff a
couple of years ago, I've long thought this might be
a great tool for DXing.

In this case, I'd like to use it to track CHHA and determine
my best chance for hearing audio from them by looking
at their signal strength during the night. Still haven't managed
to log them here in Central Alabama. Thanks!


Les Rayburn, director
High Noon Film
100 Centerview Drive Suite 111
Birmingham, AL 35216
205.824.8930
205.824.8960 Fax
205.253.4867 Cell
http://www.highnoonfilm.com
----- Original Message ----- 
From: "Barry McLarnon" <bdm@xxxxxxxxxx>
To: "Mailing list for the International Radio Club of America" 
<irca@xxxxxxxxxxxxxxxx>
Cc: <am@xxxxxxxxxxx>
Sent: Sunday, January 22, 2006 12:36 PM
Subject: Re: [IRCA] The "mystery" of 1710khz


> On Sunday 22 January 2006 09:16, Russ Edmunds wrote:
>> --- "Patrick Griffith, N0NNK / WPE9HVW" <AM-DXer@xxxxxxxxx> wrote:
>> >> Isn't it odd that all of these stations around 1710 are slightly off
>> >
>> > frequency at a different spot? Or is this to be expected?
>>
>> *** Given that we're talking mostly about pirates I'd expect this.
>> These transmitters are less stable to begin with, often operated
>> without adequate temperature or even electrical power controls and by
>> usually untrained or inexperienced people.
>
> True, and I think it also often applies to licenced transmitters that are
> low budget and/or poorly maintained operations, and to TIS installations
> that are not in locations with good environmental control.  It is
> facinating to look at a spectrum display of the carriers around 1610 -
> there are dozens of them, spread across hundreds of Hz.  Amongst regular
> stations, there are at least two in ex-band that are off by more than the
> 1710 pirates: CHHA Toronto is currently on 1610.0586, and KRND in WY is on
> 1629.8812.
>
> Barry
>
> -- 
> Barry McLarnon VE3JF  Ottawa, ON
>
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