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LF-MF-VLF Grabber Page Updated  28th December 2013
Web Site By W G Taylor - Created Using Serif WebPlus X4 - Copyright ©  All Rights Reserved
Grab 1 - 472.000 to 479.000 kHz - Full Band View
Using a SoftRock Lite SDR and a Mini-Whip active antenna designed by Roelof PA0RDT about 9 metres high.
Total Viewer’s
Current Viewer’s
LF - MF  Grabber
Grab 2 - 135.700kHz to 137.800kHz - Full Band View
The receiver is a 137kHz Soundcard Receiver - original idea by Stefan DK7FC
and the antenna is a Mini-Whip active antenna by Roelof PA0RDT about 9 metres high.
LINKS
Grabber Mini-Whip
Welcome to my multi-grabber page - North West England - Locator IO83qo

Grab 1 - 472.000 kHz to 479.000 kHz - Full Band View
Grab 2 - 135.700 kHz to 137.800 kHz - Full Band View
Grab 3 - 136.173kHz & 137.770kHz (center frequencies) - Split Window
Grab 4 - VLF various (experimental)
The displayed frequency ranges may change to follow current band activity







The capture software is “Spectrum Lab” by Wolf DL4YHF and uploaded using “DropBox” for grabber
and “Google Drive” for recent history at various intervals. Page auto refresh at 3 minute intervals.
The screen shots may at times be disrupted depending on what is going on in the shack.
More details are shown in the grab information box at the top left of each image.
Sub 9kHz GRABBER
 Scroll down to view the captures.

You can see a recent history of captures by clicking a grab image.
(viewed in a new window)
Grab 3 - 136.173kHz & 137.770kHz (center frequencies) - Split Window
The receiver is a 137kHz Soundcard Receiver - original idea by Stefan DK7FC
and the antenna is a Mini-Whip active antenna by Roelof PA0RDT about 9 metres high.
Grab 4 - VLF various (experimental)
The receiver is a high definition sound card.
The antenna is a Mini-Whip active antenna by Roelof PA0RDT about 9 metres high .