Re: [IRCA] KPWX drops power at 0230 utc.

[neilkaz <neilkaz@xxxxxxxxxxxxx>]

Just traces here tonight just prior to switch time as midband cx werent nearly as good as last night.  73 KAZ 35 mi NW Chicago


-----Original Message-----
>From: Scott Fybush <scott@xxxxxxxxxx>
>Sent: Sep 30, 2010 10:04 PM
>To: Mailing list for the International Radio Club of America <irca@xxxxxxxxxxxxxxxx>
>Subject: Re: [IRCA] KPWX drops power at 0230 utc.
>
>vroomski@xxxxxxxxxxx wrote:
>
>> KPWX dropped from daytime power at 0230 utc.  Local sunset at Mt. Angel is 0153 utc.
>
>There's local sunset, and then there's FCC sunset, which is averaged 
>over each month and rounded to the nearest 15-minute increment. In 
>September and March, when sunrise/sunset times vary most widely from the 
>start to the end of the month, that often means "FCC sunset" falls well 
>after real sunset by Sept. 30.
>
>You can find FCC sunrise/sunset times for each station from the FCC's AM 
>Query. Here's the link to KPWX's (watch for wrap):
>
>http://www.fcc.gov/fcc-bin/srsstime?dlat=45&mlat=4&slat=35.00&dlon=122&mlon=48&slon=27.00&tzone=D
>
>Times are always given in standard time. KPWX goes to night 
>power/pattern at 6:30 PM PST = 7:30 PM PDT = 0230 UTC in September. If 
>they're operating correctly, tomorrow's pattern change will come an hour 
>earlier: 5:30 PM PST = 6:30 PM PDT = 0130 UTC.
>
>KPWX powers up at 5:45 AM PST (6:30 AM PDT) in September, 6:30 AM PST 
>(7:30 AM PDT) in October.
>
>I'm sure CKWX will appreciate the change!
>
>s
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