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W1TAG / WD2XES    John K. Andrews   Holden, MA FN42ch   [ w1tag@charter.net ]


On-Line Screen "Grabbers"

It's very useful to see who's on the air and how good their signals are in various locations. The sites below offer near real-time screen shots of DSP-based programs displaying signals within certain frequency ranges. In some cases, the results are archived, and in others, you have to watch the live action. Some of the sites are full-time, others work at specific hours or under good band conditions. The operators deserve our thanks for this valuable service.

Steve Dove, W3EEE
Bryce Ofstie, KI0LE
Dave Pick, G3YXM
Brian Rogerson, CT1DRP
Scott Tilley, VE7TIL
DF6NM 137 kHz
DF6NM 500 kHz
Jean-Pierre Mere, F1AFJ
Juan, EA3FXF
Csaba, HA6PX
John, GM4SLV
U.S. 505 kHz Grabbers

This site is not a real-time grabber, but has recent screen shots taken by the very skilled LF receiving enthusiast, Hartmut Wolff.
Hartmut Wolff's Screen Shot Gallery
http://www.freenet-homepage.de/df6nm/Grabber/500kHz.htm