[Lowfer] LEK mode/freq change (again)

Sat, 23 Feb 2002 17:19:00 -0500

Ran audio captures over night.  Have LEK showing up in some frames but when
the files were processed through ARGO there was no sign of BRO.  Was BRO
up?  I've only processed several files and have a bunch more to go.
This file was stamped 4:19 AM local.
t: 864 f: 0.010 pm:   8 jm:953               LEK AITKIN MN   -
t: 960 f: 0.010 pm:   8 jm:953               LEK AITKIN MN   -
t:1056 f: 0.010 pm:   9 jm:953               LEK AITKIN MN   -
t:1152 f: 0.010 pm:  10 jm:953               LEK AITKIN MN   -
t:1248 f: 0.010 pm:  10 jm:953               LEK AITKIN MN   -

Thanks for this test, Lyle.

73,
Jon W1JHJ

At 16:09 2/22/02 -0600, you wrote:
>LEK is now transmitting in WOLF mode at 182.2500 kHz. This will allow a
>direct comparison of WOLF with BRO's QRSS60 transmissions on 182.2000 kHz. A
>suggested method for making the comparisons is to record 25 or 30 minute
>.WAV files of both signals, as is normally required for WOLF detection. The
>.WAV files can then be analyzed in WOLF to look for LEK, and post-processed
>using a spectrogram program to see BRO's signals. I've found that my
>Soundblaster Live card will allow me to play back a .WAV file and observe
>the output on the Argo screen at the same time. Probably this can be done
>with other full-duplex sound cards as well. If your sound card won't let you
>do this, you can use a program like Gram or Spectrum Lab to analyze the .WAV
>file. And for those with more than one computer, you can play the recording
>back on one machine and look at it with Argo or Spectran on another one.
>
>The Minnesota weather forecast for tonight and Saturday calls for rain
>and/or snow, with temperatures near or above freezing. As a result, LEK and
>BRO are not likely to be radiating very well. However, the first half of
>next week should be much colder, and antenna currents should be back to
>normal winter levels.
>
>Lyle, K0LR
>
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>
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