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Some cool ARRL images:

Showing where it is

Image by Alin S Living with Autism

Field Day 2009 (1)_36

Image by GraceFamily

The Amateur Radio population in the US has continued to show steady growth. As of the end of 2013, the FCC database showed 717,201 licenses in its Universal Licensing System (ULS). That’s the greatest number of US hams ever and up from 709,575 in December 2012. The volume of Amateur Radio applications slowed somewhat to 141,943 from its zenith of 176,826 in 2007, the year the FCC dropped the Mo…

American Radio Relay League | Ham Radio Association and Resources

Broadband RFI source between 20 and 28 MHz local to neighborhood. Discussions on the RFI list seemed to indicate this may one of those backyard video bulbs that sends the signal back to the receiver via the house wiring. Notice how the signal is _not_ in synchronism the same way NTSC video is _not_ in synch with 60 Hz line voltage. Both scope and Spectrum Analyzer are set to trigger from 60Hz line source.
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