On January 20, 2009, the station applied to change its authorized transmission contours by increasing the average effective radiated power from 1, 830 watts to 27, 500 watts, by decreasing the effective antenna height above average terrain from 164.5 metres to 155 metres.
12.
The position / object / item packets contain the latitude and longitude, and a symbol to be displayed on the map, and have many optional fields for altitude, course, speed, radiated power, antenna height above average terrain, antenna gain, and voice operating frequency.
13.
On January 14, 2011, CHIN received approval to increase the effective radiated power for the CHIN-FM-1 91.9 FM transmitter from 161 to 1, 850 watts ( maximum ERP from 350 to 5, 000 watts with an antenna height above average terrain of 86 metres ).
14.
On August 11, 2010, Instant Information Services Incorporated received approval from the CRTC to change the authorized contours of the English language low-power FM tourist radio programming undertaking CIRC-FM Fredericton by relocating its transmitter site within Fredericton and by increasing the effective antenna height above average terrain from 32 to 38 metres.
