A History of Encroachment on LPFMs

Jan 12 2017 - 10:01am

Both full-power FM and Translator stations can move closer to LPFMs, than LPFMs can move toward those stations, resulting in the LPFM being "short spaced" -- possibly receiving interference or in the worst case the LPFM must shut down. We call this situation "encroachment" and this graphic is one view of historical encroachment.

LPFM Radio Impact Maps and Demographics

May 11 2016 - 7:45am

Who can hear your radio signal?

It is probably the most important question to programmers, listeners, volunteers, staff, funders, and licensees. LPFM Radio Impact Maps are understandable, professionally styled FM radio coverage maps with state-of-industry prediction accuracy, population counts and demographics; designed to be used instantly to answer questions and showcase your station.

Somali community gets on the air with KALY in Minneapolis

Oct 8 2015 - 2:36pm

October 9, 2015

Prometheus Radio Project sparks community radio in the Twin Cities