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AM Frequency of the Week: 580

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Far northwest suburban Chicago.....

Days: All WILL, the University of Illinois NPR station from Urbana, IL, 5kw with a favorable pattern in my direction from a distance of 149 miles. The result here is a fair signal alone on the channel. Last week, there was a "sidebar" discussion of daytime overlap between WILL and WTCM. I've never heard that at my location, but it was reported on this board as happening (with WYLL nulled) at Kenosha, Wisconsin. "K-town" is a little more than 30 miles northeast of me. I also pointed out that WYLL is alone in Madison, WI, which is closer to WTCM in Traverse City, Michigan, and even closer yet to WKTY in La Crosse, Wisconsin than it is to Champaign-Urbana. Travel east-northeast of Madison, and, you should be able to hear all three stations fighting it out as you approach Lake Michigan.

Aaah, the magic of directional antennas! I'm expecting to travel through that area later this year, so I'll make it a point to check that out in greater detail.

Nights: 580 used to be an interesting channel around here at night. Now it's rather empty. WIBW is most likely to rise to the top of the mix of very weak signals. WKTY less likely. WTCM even more rare.

Reto: In the 1990s and before, 580 was a good spot fpr Canada DX. CKY (Winnipeg) was in most nights with a good signal and a "good listen" top 40 format CKPR from Thunder Bay, Ontario, and CKAP from Kapuskasing, Ontario were also sometimes in the mix with CKY nulled. All three are long gone from the AM band.....but at least I can say I've been to all three places along the Trans Canada Highway.

Fun Fact, I first learned about "football power" from a WKTY engineer! He told me that he'd been instructed to leave the 5kw day power/pattern on when La Crosse Central high school was playing it's biggest rival, 45 miles away. Normal night power then (in the 70s) was 1kw. Apparently, the station never got any complaints, but the FCC eventually did get wind of what was going on. .... Good ol' "Katy at 580"!

Fun Fact #2, WKTY came into being because a Minneapolis radio station owner got word that a would-be competitor was thinking about setting up shop on 580 in the Twin Cities. The existing Twin Cities operator dealt with the situation by launching WKTY, which is weak, but audible, 24/7 in the Twin Cities. (Distance of about 115 miles)

Other Locations. WIBW was a daytime regular at my college location in southeast Iowa. At that location, WILL was much closer, but also completely invisible due to being nulled to the west. WKTY is also closer, but nulled to the south.

CKY's 50kw daytime coverage was right up there with CBK and KFYR. It covered all of North Dakota, parts of South Dakota (Until WNAX took over), and basically the northwestern half of Minnesota. One of my biggest customers was in Northwest Minnesota, and I had other customers in Winnipeg, and CKY was my go-to on roughly 20 years of business trips.

Wanted: WDBO, CFRA. I know both have turned up in the Chicago area, but certainly not by me.
 
Chicago by the lakeshore:

Daytime: WILL in Urbana is listenable. Cyberdad mentioned WTCM... I have heard WTCM during the day on certain bends on Lake Shore Drive where the buildings block WILL. But normally it's all WILL.

Critical hours: Before they power down for the night, WTCM can come in pretty decently and block WILL and everything else.

Nighttime: Basically a big mix. WILL and WTCM can be there, but there are other possibilities too. I've logged 5 other stations on 580:
WKTY in La Crosse WI, WIBW in Topeka, WCHS in Charleston WV, WTAG in Worcester MA, and CFRA in Ottawa Canada.
 
In west Houston, normally nothing during the day but have heard a weak XELRDA (formerly XEMU) in Piedras Negras in the winter daytime. At sunset and at night XELRDA is there, along with WIBW and KJMJ (Radio Maria) in Alexandria LA.

Retro Tulsa in the early 70's, WIBW put in a strong signal day and night. I remember hearing CKY once when WIBW was off.
 
We've made it to 580, I see! This one is more of an "oh, brother" frequency during the daytime.

Cheyenne days: There should be a faint whisper of 580 KZMX Hot Springs, SD, but Mount Rushmore Broadcasting has run that station into the ground. Seriously. When I went up to Rapid City in 2019, KZMX was running on exciter power of maybe a watt or two, which weakly covered the Hot Springs area. It was running their Classic Rock format. When I went up in 2020, 580 had switched over to a Christian Contemporary format, whilst still being low power. As of September 2021, my last visit to the area, the 96.7 frequency switched back to Classic Rock, and the 580 was off the air entirely, despite their heavy advertising of that frequency. I thought they turned their power back on in February 2022, but I haven't heard them in Cheyenne since, and haven't been up to South Dakota to check. Considering that their programming is actually pretty great (when I can hear it), it's a crying shame that Rushmore could screw over a station that badly. I definitely wouldn't trust them to run a city, or watch my pets, but definitely not to run 580 AM!

As for nights:It's usually a toss-up between KUBC Gold in Montrose, CO, or WIBW Topeka. KUBC runs great music too, and when it's in, the signal is not bad. WIBW is rarer, but it comes in several times a month, and I can usually pick up the Dave Ramsey show on, or Kansas sports.
 
In the near north Chicago suburbs it's all WILL during the day with a decent and steady signal. During critical hours WTCM comes in pretty well sometimes. At night WILL disappears for the most part. WIBW and WKTY are sometimes heard. WTCM is rare for me at night.

Retro: CKY used to make it in most nights.
 
East Tennessee: Days--WYRH, Rockwood TN, which is the "feeder" for 93.3 The Ranch in Crossville. It's also frequently off the air. Sunrise and sunset, and daytime skip, WCHS, Charleston WV makes frequent appearances. I've never heard WILL here.

Night: Sometimes WYRH when it stays up past its bedtime. When that has happened, it's been widely heard. I've caught it on Edinburgh IN and Atlanta SDRs.
Otherwise, a hodge podge but I heard something with music that sounded kind of BBN-ish, my guess is WJMJ, Alexandria, LA.

Retro/other: Western Ohio, daytime, WILL and WCHS. I caught CKWW once in Dayton, OH. WIBW has always been a morning and evening catch.
 
Pretty dead frequency here in central Ohio day and night. If WCHS is there, it's extremely weak. The outer ring of its Radio Locator map falls about 30 miles to my southeast. Put that signal in better conductivity and its reach expands considerably.
As posted in a reception report I took a few weeks ago visiting Dayton, 580 seemed like two stations going head to head. I guessed that one could have been WCHS, and others mentioned that the other probably was WILL.
 
SE Michigan, it's CKWW Day and Night. North of West Branch, WTCM. Also, a huge lobe to the South to Lansing and surrounding areas. Extreme SW Michigan, WILL Days. WILL used to come in in West Central Michigan before WTCM moved from 1400 to 580 around 1981. With the complete Proof of Performance on the DA, they were soon able to upgrade from 2500 to the maximum 5000 watts at the time. When they allowed 50000 watts on Regional Channels, they went to 15000 watts, then 35000 watts, and with more measurements in Wisconsin, modified to 50000 watts.

I did used to hear CKY once in a while when they left it on Day Pattern. In the Western UP, you could hear CKPR.
 
Kenosha, WI Days- WILL Urbana, IL. Decent signal from about 170 miles. With a good null I can hear WTCM Traverse City, MI underneath, sometimes listenable in Critical Hours.

Nights- Most common is WIBW Topeka, KS, sometimes pretty decent. Also heard- WKTY La Crosse, WI, CKWW Windsor, ON, both pointed away from me.
 
Nights- Most common is WIBW Topeka, KS, sometimes pretty decent. Also heard- WKTY La Crosse, WI, CKWW Windsor, ON, both pointed away from me.
I'm glad you mentioned CKWW. I should have included them with my "wanteds." I've never heard them at my loca6ion. OTOH, when I used to make the run from Detroit to Toronto, I'd have a good signal for a little over 100 miles The 401 freeway was/is friendly territory for CKWW's main lobe.
 
Central Washington:
KIDO Nampa/Boise, ID is the dominant at night.
 
From the southwest suburbs of Chicago:

Days: WILL Urbana, Ill., the University of Illinois station that celebrated 100 years on the air last week. Solid 5 kW signal.

Nights: A jumble. Right now (1:30 a.m.) WILL is atop the frequency with a just-listenable signal by DX standards with 100 watts, carrying BBC World Service. It's better than average tonight; at least two stations, one a hair off frequency judging by the hetrodyne, are percolating underneath.

The log: Along with WILL, others heard along the way, all at night, include WIBW Topeka, Kan.; WCHS Charleston, W.Va.; way back when it was 5 kW, KMJ Fresno, Calif., with NBC News on the Hour; the late CKY Winnipeg; WELO Tupelo, Miss., and one night this winter running its 5 kW day power, WXRH Rockwood, Tenn.
 
From the southwest suburbs of Chicago:

Days: WILL Urbana, Ill., the University of Illinois station that celebrated 100 years on the air last week. Solid 5 kW signal.

Nights: A jumble. Right now (1:30 a.m.) WILL is atop the frequency with a just-listenable signal by DX standards with 100 watts, carrying BBC World Service. It's better than average tonight; at least two stations, one a hair off frequency judging by the hetrodyne, are percolating underneath.

The log: Along with WILL, others heard along the way, all at night, include WIBW Topeka, Kan.; WCHS Charleston, W.Va.; way back when it was 5 kW, KMJ Fresno, Calif., with NBC News on the Hour; the late CKY Winnipeg; WELO Tupelo, Miss., and one night this winter running its 5 kW day power, WXRH Rockwood, Tenn.
Never heard KMJ in the Chicago area although I tried. It comes in pretty well at night in Hawaii.
 
Here in Wood Dale, IL in the near NW suburb of Chicago:

Daytime: WILL Urbana, IL
Nightime: open frequency WIBW, WELO, WKTY, WTCM common visitors. WILL can also be heard when conditions are auroral

DX/RETRO: others heard throughout the years include KJMJ (Alexandria, LA), WCHS (Chrleston, WV), WHP (Harrisburg, PA), bunch of Canadians that are no longer on the air (CKAP, CKPR, CKY, CHLC). My most recent new log on 580 is WXRH (Rockwood, TN), which was heard on several occasions in the last 2 years. Foreign stations include XEFI (Chihuahua) which used to be quite common log back in 1980/90's, as well as XEMU (Piedras Negras). Radio Rebelde back in 1986, but not hearing any Cubans on the frequency these days. For a long time I have been trying to log WKAQ Puerto Rico, which I finally did hear in 2020. Also, Spain (RNE1) heard on the split frequency 585 kHz in 2005.
 
Look on Radio Locator to see the contours of CKWW with 500 watts vs. WTCM with 50000 watts. They're not as much different in areas covered as you might expect.
 
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