This urban grabber is located in Canberra, Australia, QTH Locator QF44mt. The antenna is a PA0RDT Mini-Whip active antenna, about 7 m of the ground. The receiver is an ISDR-136 kit with the BPF/preamp and the grabber software is DL4YHF's Spectrum lab.
The grabber is usually optimised for reception of QRSS60 and QRSS120 signals but can be setup for any other mode or frequency depending on requests and experiments that are currently in progress.
Please contact me at dtsifakis (at) gmail dot com, if you would like the grabber on a different frequency in the VLF, LF or MF spectrum. The time is now UTC.
The term "urban grabber" was coined up by Nick, VK2DX to describe his grabber that suffers from the QRM of suburbia. This is a grabber that sometimes works well but sometimes is rendered useless by noise.
The grabber is currently set up around 136.172 kHz in order to attempt to capture signals from Stefan, DK7FC. It is set up for QRSS120 and FFT bin size of about 11 mHz.
Automatic refresh happens every 15 minutes. Use your browser's reload button to get the latest picture when the grabber is on a faster update mode.
The map above is centered roughly at the location of this grabber. It is updated every 15 minutes.
Page refreshed on Wed May 16 12:56:23 UTC 2012
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