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.
LF - MF - VLF Grabbers
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.
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 - 136.170 kHz and 137.778 kHz center frequency’s (split screen) Grab 4 - VLF Russian Alphas navigational aid Grab 5 - VLF 8.270 kHz The displayed frequency ranges may change to follow current band activity Scroll down to view the captures. To see a recent history of captures click a grab image ( viewed in a new window ). The capture software is “Spectrum Lab” by Wolf DL4YHF and uploaded using “DropBox” for grabber and “MS One 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.