AMband.org » Radio-Locator http://amband.org Medium Wave broadcasting forever Fri, 17 Sep 2010 01:43:11 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Radio-Locator Decoded http://amband.org/2008/06/radio-locator-decoded/ http://amband.org/2008/06/radio-locator-decoded/#comments Thu, 19 Jun 2008 14:47:51 +0000 Ted http://amband.org/?p=38 I have received a lot of questions about the contours shown on the Radio-Locator maps. For AM they are:

  • Red – 3.0 mV/m – Generally the Sellable area of the station
  • Purple – 0.5 mV/m – Rural protected service area, but nobody would buy ads.
  • Blue – 0.1 mV/m – You might still get it on a car radio

For FM they are:

  • Red – 60 db/uV or 1.0 mV/m – Protected service area for Class A and C stations
  • Purple – 50 db/uv or 0.316 mV/m – A pretty weak Signal, nobody would buy ads.
  • Blue – 40 db/uv or 0.1 mV/m – You won’t pick it up, except in rural areas

I determined this by comparing the plots of sample stations in Radiosoft’s Comstudy with their Radio-Locator maps. Hopefully this clears a few things up!

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