8.9kHz 'Dreamers' Grabber    -    Experiences     -    RX Log   -   QTH   -   SID detector

The "whistle spectrum" @ PA1SDB in "The Netherlands"

8270 Hz - 424 uHz

8270 Hz - 238 uHz

8270 Hz - 47 uHz

5 - 24 KHz

Take also a look on this very informative website  https://sites.google.com/site/sub9khz/home  about "Sub 9 KHz amateur radio" !!!
You have to visit the website of DK7FC to  http://www.qrz.com/db/DK7FC  and also the site of DJ8WX, http://dj8wx-dl.de .
A real pioneer who inspired me to listen in the "Sub 9 KHz" band.

If I discover new facts, I will publish it at the "Experiences page" asap...

73's, Peter - de PA1SDB

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