[Lowfer] KFI Screen Captures

[lowfer@mailman.qth.net]

Hi Les

These all look like 11.5 minute cycles to me.

How far away from KFI is the Cuban transmitter ... I mean how many Hz offset (not geographically)? And can you identify any other relative offsets on "640"?

Mark

--

les@highnoonfilm.com wrote:
> If possible, I'd like for members of the list to take a look at the
> screen captures of what I presume to be KFI:
> 
> They can be viewed at:
> 
> http://www.highnoonfilm.com/kfi
> 
> I don't think that this signal could belong to any other transmitter. My
> period differs
> a bit from what John observed (depending on how you measure the waveform).
> The signal appears to cycle in about 8.5-9 minutes here. And the fact that
> my
> radio was in CW mode, rather than CW-R mode accounts for the frequency
> difference.
> 
> I had wondered if the signal could possibly belong to the Cuban station,
> which
> are also known to drift a bit in frequency over time, but the Cuban station
> fades in with my local sunset, and I don't start to receive the suspected
> waveform until almost three hours later...which again points to a West
> Coast signal.
> 
> By the time this waveform begins to appear, the Cuban station literally
> blasts into Central Alabama...so that eliminates them.
> 
> Hope to check again tonight for the signal, and see if I can obtain
> more data. If possible, I'll do an accurate frequency calibration prior to
> that as well to insure that my cw output is exactly 800hz.
> 
> This has been a fun project!
> 
> 73,
> 
> Les Rayburn, N1LF