google maps

I've searched these forums and can't seem to find an answer to this one, so here goes. I'm wanting to look at my GPS setup for an entire statewide system in either Google Maps or Google Earth. I've adjusted some of the radii and would like to see if I'm left with any gaps (or too much...

I've started building an overlay for google earth which breaks down the different talk groups in the Las Vegas area. I'm basicly mapping points right now (call made on talk grp ##### near intersection of whatever and whatever). Has anyone else here done something similar and would like to...