Re: LF: 8.970kHz grabber still active today

[Roger Lapthorn <rogerlapthorn@gmail.com>]

Marcus

I have attached a screenshot copy of this mystery signal. It has appeared now on two consecutive nights at precisely the same frequency and almost the same time. I have no idea if this is a natural or manmade signal. For a natural signal it shows remarkably the same characteristics for two nights running.

The signal starts around 2100z with a slowly rising frequency for about 4 hours moving from 8.970095 to 8.97010kHz then dropping back in frequency within about 30 minutes. Odd.

Has anyone been transmitting around 8.97010kHz for the last 2 nights please? Can anyone explain what this might be please?

73s
Roger

On 8 March 2011 10:45, Markus Vester <markusvester@aol.com> wrote:

Roger, there seemed to be some activity near 8970.1Hz on your grabber - would you think that was a real signal?

73, Markus

-----Ursprüngliche Mitteilung-----
Von: Roger Lapthorn <rogerlapthorn@gmail.com>
An: rsgb_lf_group@blacksheep.org
Verschickt: Di., 8. Mrz. 2011, 10:48
Thema: LF: 8.970kHz grabber still active today

My Dreamer's Band grabber will remain on all today at https://dl.dropbox.com/u/15047843/xbm_grab.jpg monitoring the window 8969.89Hz to 8970.11Hz in a 423uHz bandwidth. It is sensitive with a low noise level apart from during the evening TV/lights hours 1700-2400z. Leaving the grabber on now for around 30 hours has given me a very clear picture of how my noise floor changes during the day and night.

I'm still looking for the Austrian stations and Henny's signals.

73s
Roger G3XBM
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8970100hz.jpg
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