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[IRCA] CHHA-1610 Toronto applies to CRTC to use 6.25 kW-U with directional array
- Subject: [IRCA] CHHA-1610 Toronto applies to CRTC to use 6.25 kW-U with directional array
- From: Deane McIntyre <dmcintyr@xxxxxxxxxxx>
- Date: Tue, 17 May 2011 09:51:21 -0600
CHHA-1610 Toronto ON has applied to the CRTC to use a directional array and to use
6.25 kW both day and night instead of the currently authorized 10 kW - day,
1 kW - night.
The link to the actual application is dead so I do not know the nature
of the proposed pattern, but I presume that they will protect Montreal.
<http://www.crtc.gc.ca/eng/archive/2011/2011-327.htm>
1. Toronto, Ontario
Application 2011-0056-0
Application by San Lorenzo Latin American Community Centre relating to the
broadcasting licence for the community AM radio programming undertaking CHHA Toronto.
The licensee proposes to amend the authorized contours by changing the antenna radiation
pattern from non-directional to directional and by changing its transmitter power
from 10,000 watts day time and 1,000 watts night time to 6,250 watts day and night time.
All other technical parameters would remain unchanged.
The licensee states that such a change in transmitter power would allow the station to
regain lost listenership resulting from the night-time power reduction. The change in
antenna radiation pattern was required to protect other AM stations from skywave interference.
The proposed amendment would decrease potential listenership in the 15 mV/m contour during
day time hours from 1,315,982 to 1,067,284 while increasing it during night time hours from
194,073 to 1,067,284. In the 5 mV/m contour, the proposed amendment would decrease the potential
listenership during day time hours from 2,828,585 to 2,409,869 while increasing it during
night time hours from 500,010 to 2,409,869.
73,
Deane McIntyre VE6BPO
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