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What station covers the most land in the contintental U.S. at night?



If you look at a polar projection map, you can see that WBZ null is actually aimed at NW Africa, and the side of the major lobe, which is in excess of a non-directional 50 kw equivalent, is aimed right at northern Europe and Scandinavia.

Similarly, WWL with a lobe that pushes more power north, aims right at Europe.

Since neither 870 nor 1030 are European 9 kHz separation frequencies, the path for both stations is wide open.

1510 Boston used to make it into Ireland and the UK at night even at reduced power, I seem to recall reading back in the day.
 


If you look at a polar projection map, you can see that WBZ null is actually aimed at NW Africa, and the side of the major lobe, which is in excess of a non-directional 50 kw equivalent, is aimed right at northern Europe and Scandinavia.

Similarly, WWL with a lobe that pushes more power north, aims right at Europe.

Since neither 870 nor 1030 are European 9 kHz separation frequencies, the path for both stations is wide open.

That helps explain why they can be heard there.
 
I've always thought it was WBAP. I've heard it clearly at night both here in Ohio and in Las Vegas, although it was over 10 years ago. Great skywave signal from the middle of the country.
Re. WLW's signal, it sounds the same here in Columbus as it always has. It will sound even better in a month or so with the weather getting cooler and crops clearing, which seems to help the groundwave propagation.
 
Did WMEX lose or sell its transmitter site? There's an CP for 10000 watts Day, 2000 watts CH, and 100 watts Night, Nondirectional.

From file number BSTA 20180522AAQ:

WMEX WAS RECENTLY SOLD TO THE APPLICANT. THE TOWER SITE WAS NOT INCLUDED IN THE SALE AND IS IN THE PROCESS OF BEING DISMANTLED. THE APPLICANT HAS SECURED ACCESS TO DIPLEX AT THE SITE OF AM STATION WBIX BOSTON, MASSACHUSETTS. NON-DIRECTIONAL OPERATION WITH POWER OF 1 KILOWATT DAYTIME HOURS ONLY IS REQUESTED. DILPEXING EQUIPMENT WILL BE INSTALLED.
 

Also, check the Boston forum for many, many posts about the quixotic attempts to return 1510 to the air. Target dates have come and gone, and since the CP was granted, only a one-day test transmission has been broadcast, and that was just to keep the FCC wolf from the door. FWIW, the "new" WMEX will have a translator, so there's a chance it makes a little money, but the format is expected to be deep-playlist oldies of the '50s through '70s, so who knows how many advertisers they'll be able to cajole into doing business with the station.
 
Also, check the Boston forum for many, many posts about the quixotic attempts to return 1510 to the air. Target dates have come and gone, and since the CP was granted, only a one-day test transmission has been broadcast, and that was just to keep the FCC wolf from the door. FWIW, the "new" WMEX will have a translator, so there's a chance it makes a little money, but the format is expected to be deep-playlist oldies of the '50s through '70s, so who knows how many advertisers they'll be able to cajole into doing business with the station.

Not to derail this thread, but didn't Gary James launch some sort of "new" WMEX in New Hampshire a few years ago?
 
Not to derail this thread, but didn't Gary James launch some sort of "new" WMEX in New Hampshire a few years ago?

Yes, WMEX-LP, a low power FM that I believe is still on the air. It has no connection with the wannabe WMEX 1510, which, if it ever goes on the air for good, will be a sister station of eclectic WATD-FM, Marshfield, Mass.
 
Having driven through a lot of the United States, the Chicago clears (namely WGN and WBBM) can be heard from as Far East as Boston and Quebec City to as far west as Montana and Arizona. WSCR and WLS just don’t seem to make it out as far as WGN or WBBM. KSL (1160 AM Salt Lake City, Utah) covers a great distance too along with KOA (AM 850 Denver, Colorado). Honorable mentions also go out to two Dallas, Texas stations, AM 820 WBAP and AM 1080 KRLD. I also think AM 1700 KVNS from Brownsville, Texas should get some attention too due to the nearly empty frequency. I have seen reception videos of KVNS from Ireland and Great Britain!
 
CBK is the only station I have heard on both coasts (Seattle and Maryland). Signal is far better in Seattle than MD, but it’s there!

Otherwise, it’d be WSM, which has a listenable skywave signal west of Denver most nights. It’s easily listenable at night from NJ down to Central FL.
 
CBK is the only station I have heard on both coasts (Seattle and Maryland). Signal is far better in Seattle than MD, but it’s there!

Otherwise, it’d be WSM, which has a listenable skywave signal west of Denver most nights. It’s easily listenable at night from NJ down to Central FL.

I've personally followed CBK's daytime signal in a car radio on the Trans-Canada highway from the western edge of Ontario near the Manitoba border. to the eastern edge of British Columbia just west of the Alberta border. Audible for something like 800 miles IIRC. The night signal, IME, is good, but not quite in the same class as some of the others mentioned here.

WSM and WLW have gotten a lot of mention here. Deservedly so. What both of these have in common is that each uses a vintage Blaw-Knox tower. Those towers really produce outstanding signals....day and night. In general, if I've been within 1,000 miles of either WLW and WSM, the result is one of the strongest night skywave signals out there. And, FWIW, just two days ago, I was listening to WLW in a Chicago Midway airport parking lot in the car at 1pm CDT. A couple of years ago, I had daytime skywave from WSM in Florida. (WLAC was not present).

The only difference I've found between WLW and WSM that might be worth noting is that I've not heard WSM on the Europe SDRs, but I have heard WLW a couple of times. I don't know if that means anything or if it's just me.
 
In the Continental United States, I would assume WSM. It's the lowest dial position AM with 50kW-ND nights, a location away from the coast, and no co-channel stations with night authorization east of the Rockies.

Higher channel stations like WLS, KMOX and KSL might work too, largely depending on their co-channels arrangements.

I would assume anything on the coasts -- WABC, KFI, WWL, etc would not qualify due to sending a lot of their signal out to sea.

WWL with it's 2tower DA throws very little to the sea...and about 100kw+ to the Midwest US northward
 
Honorable mention also has to go out to WCCO AM 830 from Minneapolis, Minnesota. I’m surprised how well their signal can make it down to Phoenix, AZ! Their central location in the country makes it easy to hear them from the east coast to the Rocky Mountains.
 
...I would assume WSM. It's the lowest dial position AM with 50kW-ND nights...
Low dial position is a DISadvantage for good skywaves but your other reasons are OK.
I would like to hear KICY into Siberia with nothing within 4KHz of them and a three-tower critical hour pattern which beams 270° for several months at a time.
 
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