What's your best catch out from under a co-channel...

[crainbebo]

So if there was a big AU opening on AM TFC, there would probably be paths into Central and Southern Mexico...and even Central America.

Here in WA, if that happened, I'd probably be getting Northern/Central Mexico too. I caught 540 XEWA San Luis Potosi at 2129 miles this year, but I don't think it was aurora, as it WAS under CBK Regina. Prob just regular skywave.

-crainbebo

 

[BobOnTheJob]

Hey Crain, Do you hear CBK in the daytime? That's the best daytime signal in North America. I've heard it well over 400 miles away on an average car radio.

 

[gr8oldies]

If I was going to pick an FM, it would be WIOT, Toledo, which I heard underneath WTUE, Dayton from Springfield, OH. Both were carrying Bob and Tom, but one was a few seconds later.

 

[radiotower40]

WMBD in Peoria, Il. under local WCFJ, in the south suburbs of Chicago. Very strong
at night and underneath almost all day.

Someone mentioned 1510 in Joliet, Illinois affecting WLAC. They are are supposed to be
600 watts during Critical hours, 1,000 watts days. They are a daytime only station, and in
the winter they are some times on until almost 5 central, when sign off should be 4:15 or
4:30.

Their PSSA gives some really low power some months out of the year. They are definitely not
at those low powers. I suspect a lot of those times they are at 1,000 watts, not 600. I am just
judging this with the signal strength I receive, I am not in their primary coverage area.

If they are interfering with WLAC that close to their site, I would venture to guess that they are
not on critical hours power. I know that WLAC is directional at night, still they should not being bothered
by a small station south of Chicago, that barely covers Chicago very well.

 

[crainbebo]

Hey Crain, Do you hear CBK in the daytime? That's the best daytime signal in North America. I've heard it well over 400 miles away on an average car radio.

No I do not. I get a TIS station from Burien on 540 instead. I've heard something weak in the background, but it sounds about more than half likely another TIS.

-crainbebo

 

[w9wi]

Someone mentioned 1510 in Joliet, Illinois affecting WLAC. They are are supposed to be
600 watts during Critical hours, 1,000 watts days. They are a daytime only station, and in
the winter they are some times on until almost 5 central, when sign off should be 4:15 or
4:30.
...
If they are interfering with WLAC that close to their site, I would venture to guess that they are
not on critical hours power. I know that WLAC is directional at night, still they should not being bothered
by a small station south of Chicago, that barely covers Chicago very well.

I don't think I could tell the difference between 600 watts and 1,000 without a meter...

Given the fairly high frequency, I'm not particularly surprised the Joliet station "gets out" like gangbusters at sunset.

 

[pianoplayer88key]

high frequencies can get out like "gangbusters" in the middle of the day too...

in wintertime.

I've heard 1530 KFBK Sacramento, CA, and 1580 KMIK Tempe, AZ (often on top of KBLA Santa Monica, CA, when it comes in) in El Cajon, CA. KFBK's about 500 miles from here, KMIK's about 300 miles, and KBLA's about 120 miles from here. Of course, KFBK and KMIK are two of my consistent strongest nighttime stations here that don't usually make an appearance in the daytime. I maybe have 7 local stations that are almost ALWAYS stronger than KMIK.

 

[ddsparxx]

I had KFBK sound like a local during mid to late afternoons in fall and early winter in Oregon.

 

[radiotower40]

Someone mentioned 1510 in Joliet, Illinois affecting WLAC. They are are supposed to be
600 watts during Critical hours, 1,000 watts days. They are a daytime only station, and in
the winter they are some times on until almost 5 central, when sign off should be 4:15 or
4:30.
...
If they are interfering with WLAC that close to their site, I would venture to guess that they are
not on critical hours power. I know that WLAC is directional at night, still they should not being bothered
by a small station south of Chicago, that barely covers Chicago very well.

I don't think I could tell the difference between 600 watts and 1,000 without a meter...

Given the fairly high frequency, I'm not particularly surprised the Joliet station "gets out" like gangbusters at sunset.

I work at a station that uses day, CH, and flea power at night, during CH, I can tell
from quite a distance from my station if somebody forgot to drop to CH power at distance
from our tower. Our day power doesn't reach much further than our CH, there is a definite
difference in the strength of the signal, yet I can tell within 2 minutes, what we are using
by interference levels. I've been doing it for a few years now, and almost every time, I felt we were
at full power, when we were supposed to be at CH, I called in and I was right. It's not all that hard
for me too do.....

You are right, the upper band does "get out" more at sunset, than a 540 would. My station is
up there on the dial. We start getting hit hard by HD sidebands and our co-channel 50kW, very
early in the winter. Bottom line is that when we use our CH power, at the prescribed times, we
do not interfere with are co-channel in their coverage area. I know I've been there. That's why
we have CH power to avoid this.

 

[MarioMania]

What's CH??

 

[kenrayc]

What's CH??

Critical Hours, around 1-2 hours before and after sunset, it's like medium power between Day power and night power and also depending on the station, the directional of the signal, one good example is KTRB 860 in The Bay Area they transmit from 3 different sites one during the day another during CH and a 3rd at night.

 

[stormy01]

Critical Hours, around 1-2 hours before and after sunset, it's like medium power between Day power and night power and also depending on the station, the directional of the signal, one good example is KTRB 860 in The Bay Area they transmit from 3 different sites one during the day another during CH and a 3rd at night.

CH is 2 hours for all stations so licensed: http://www.fcc.gov/mb/audio/bickel/AMcriticalhours.html
KTRB used to be at 3 sites, now they are at 2 sites: http://www.fcc.gov/fcc-bin/amq?state=&call=ktrb&arn=&city=&freq=530&fre2=1700&type=0&facid=&class=&list=1&dist=&dlat2=&mlat2=&slat2=&NS=N&dlon2=&mlon2=&slon2=&EW=W&size=9 Also, amazingly, radio-locator is correct this time: http://radio-locator.com/cgi-bin/finder?call=ktrb&x=17&y=4&sr=Y&s=C

 

[MarioMania]

So that's why I got KNX 1070 at 6:45 am it was in the CH hour time slot

 

[crainbebo]

No, KNX is not critical hours. It's 50kw day and night, never changes. (Excuse me if I'm wrong)

-crainbebo

 

[pianoplayer88key]

That's correct.

KNX comes in here, about 111 miles away, with a fairly good signal 24/7.
http://cid-6bdd1917662288cb.office....010-07-20/1070 KNX Los Angeles^J CA ^51^6.mp3 (recorded with PL-380 in the house)
http://cid-6bdd1917662288cb.office....010-07-20/1070 KNX Los Angeles^J CA ^52^6.mp3 (adding Select-A-Tenna, recorded outside)

So does anyone else regularly get a 50kW station over 100 miles away above 1000kHz on the dial that well in the daytime?


Also, 6:45am is probably still early enough for some skywave to be coming in. It doesn't just turn on and off like an incandescent light at sunset and sunrise. In fact, during winter on some days I've been able to hear 1530 KFBK Sacramento, CA, from here in El Cajon, but usually in summer I can't get the station in Tulare, CA, about 270 miles closer to KFBK, in the daytime.

 

[cd637299]

Not "well," but WWBC in Cocoa FL (a 50k daytimer), about 140 miles north of me, comes in all day, provided the correct radios are used.

Until 4 years ago or so, they only ran 750w out if 1000, but they got a big upgrade. Used to be that I could only hear it near sign-off around sunset.

cd