[IRCA] CHHA-1610 Toronto ON applies to CRTC to change power and go directional

[Deane McIntyre <dmcintyr@xxxxxxxxxxx>]

CHHA-1610 Toronto ON has applied to the CRTC to change its power
from 10kW-day 1kW-night both bon directional to 6.25 kW-unlimited  
directional,
with a null to protect CJWI-1610 Montreal.

The change to a directional antenna was requested by Industry Canada  
in response
to complaints by CJWI. The application by CJWI to move to 1410 has
been approved but has not yet been implemented.

The directional antenna proposed is not the usual array of two or more
towers, but rather a single tower with a tuned guy wire to create the
required directional pattern. I would advise anyone interested in
directional arrays to read the engineering brief which is part of
the application, a link to which can be found with the application:

<http://www.crtc.gc.ca/eng/archive/2010/2010-301.htm#3>

Toronto, Ontario
Application No. 2009-1739-6

Application by San Lorenzo Latin American Community Centre to amend  
the technical

parameters of the Type B community radio programming undertaking CHHA  
Toronto.

The licensee proposes to change CHAA's authorized contours by  
decreasing the transmitter power

from 10,000 watts to 6,250 watts day time, and increasing the  
transmitter power from 1,000 watts

to 6,250 watts night time.

The population within the 15 mV/m contour would decrease from  
1,315,982 to 1,067,284 in the day time,

and increase from 194,073 to 1,067,284 in the night time. The  
population within the 5 mV/m contour

would decrease from 2,828,585 to 2,409,869 in the day time, and  
increase from 500,010 to 2,409,869 in the night time.

The licensee states that the proposed changes will result in a better  
quality signal to listeners

located in the northwest part of its licensed area who are currently  
experiencing poor reception of CHHA.

73,



Deane McIntyre VE6BPO
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