The Internet Radio Linking Project links radio systems across the Internet. I would suggest checking out the IRLP website for further information.
The file below will display the IRLP nodes in Google Earth along with their current status and other general information. There are a couple different websites that provide this data and . . . → Read More: Internet Radio Linking Project Nodes
Large collection of placemarks identifying the locations of TV and radio transmitter sites in the British Isles.
The placemarks are color coded based on the accuracy of its location. Yellow push pins have been positively identified. Red push pins are approximate locations.
nigelww at the GE BBS
Google Earth BBS
. . . → Read More: British Isles Radio & TV Transmitters
Large collection of a wide variety of datasets for the UK. Includes Milestones, Hills, Triangulation Pillars, Photos, Ports, Caves, etc, etc, etc. Zoom into the area of interest with Google Earth, then wait a few seconds for the placemarks to load.
KML Content Created By: nearby.org.uk Access From:
. . . → Read More: Nearby.org.uk Network Layers
Placemarks showing the location and frequency of amateur radio repeaters throughout the United States.
KML Content Created By: K5EHX Amateur Radio Repeater Mapping Access From: More Info: . . . → Read More: US Amateur Radio Repeaters