[Lowfer] AMBC carriers

[Ed Phillips]

Appearance is the same as I would expect from an oven-controlled crystal 
oscillator cycling the heater off and on every few minutes - peak 
deviation of about 1 ppm.  Not a bit like KFI of course.

Ed

Dexter McIntyre w4dex wrote:

> Most on this group I'm sure remembers KFI's unique carrier.  Today 
> while looking through some old Argo captures I saw one of my KFI 
> grabs.  Can you believe that was ten years ago?  Had I been asked I 
> would have been willing to bet it was no more than five.
>
> So I tuned in 650 kHz just wondering if I could see WSM's carrier and 
> possibly any other station's carrier with Argo.  The strongest carrier 
> I saw, which I assume is from WSM, was about 10 Hz high.  The 
> carrier's signature certainly isn't as unique as KFI's:
>
> https://dl.dropbox.com/u/15095569/w4dex/am_bc/650khz_27feb13.jpg
>
> I did see one other carrier very close to 650 kHz.  The FCC database 
> shows no other station with much power that I think I would see during 
> mid day:
>
> http://transition.fcc.gov/fcc-bin/amq?state=&call=&arn=&city=&freq=650&fre2=650&single=1&type=0&facid=&class=&list=1&dist=&dlat2=&mlat2=&slat2=&NS=N&dlon2=&mlon2=&slon2=&EW=W&size=9 
>
>
> Dex
>
>
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