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Saving AM Radio


Will this change everything?

It's already being used in the burned out areas of California and seems more reliable than AM in an emergency. It's also 2-way.
 
Maybe they’re thinking when TV overtook radio?
More like when competition from TV, especially in programming in which being able to see what's happening is a decided advantage, such as scripted dramas, comedies and serials, forced radio to pull back from that sort of programming and focus on playing recorded music. The transition was successful, but the days of the family gathering around the radio for "The Lone Ranger" or "The Shadow" were over. Radio became background rather than foreground entertainment.
 
The number of licensed stations is not meaningful by itself. It doesn't tell you anything about consumer demand.

In several PPM markets, there is nearly no AM listening at all, per Nielsen ratings. Just checking a couple from Lance's market ranks:
Las Vegas: 3.1 total AM shares
Nashville: 1.8 total AM shares
Indianapolis: 1.4 total AM shares

Maybe it is the case that a third of listeners nationally use AM once a month, but that doesn't mean a car buyer in Indianapolis should be coerced to buy an AM tuner on wheels.
If AM is mandated in new vehicles, it doesn't mean the buyer is required to use it.
My new car has heated seats that I don't bother to use. I suppose it added a few dollars to the cost of my $40k suv but no big deal.
And that buyer in Indianapolis may take a road trip to Cincinnati where the best road and traffic reports are on 700WLW AM.
 
OK, I can see that. But then I would have said "radio" lost its dominance to TV. In the radio business, FM was still the second tier service until the 1970's. So there was 20 years when AM was the dominant radio service. JMHO, I guess at a certain point it's just semantics.
When I was in high school, I was not aware of anyone listening to FM. There was 61 Big WAYS and WAAK. Those are the only stations I am aware of that kids liked. I listened to WSOC until it went all news and WBT after that.

WBCY, "Charlotte's Best Rock", was the first FM that a lot of the students listened to, late in 1978. There may have been people who listened to WROQ, an album rocker, but until I went to college, it didn't seem all that common.
 
My dad started listening to FM in 1967 when he moved to Fargo for college and worked at KDSU, which ran jazz at night when he was board opping. The next year, KDWB "Stereo 98", running Drake Chenault's "Hitparade" went on air and he started listening to that. Other than those two, I don't know which FM stations were on in the Fargo area back then.
 
When I was in high school, I was not aware of anyone listening to FM. There was 61 Big WAYS and WAAK. Those are the only stations I am aware of that kids liked. I listened to WSOC until it went all news and WBT after that.

WBCY, "Charlotte's Best Rock", was the first FM that a lot of the students listened to, late in 1978. There may have been people who listened to WROQ, an album rocker, but until I went to college, it didn't seem all that common.
Was Charlotte a decade behind the curve? I started listening to FM in 1968!
 
In most places in the rural Midwest, FM really didn't start taking off until the latter half of the 1960s.

In Missouri, the legendary Jerrell Shepherd got an FM CP for KRES in 1966, and gave these quotes to the Moberly Monitor-Index in an article on April 21, 1966:

Because of the relative scarcity of FM receiving sets, Shepherd added, KRES will begin as a poor relation of {his Moberly AM station} KWIX and advertising will take a back seat for a long time. Shepherd added, "It is expected, however, that KRES will gain strength with time and as more FM receivers are sold, and with the giant power and coverage it has will eventually become equal or perhaps dominant."

"FM has become quite important in the East, and is, except for metropolitan areas, just now beginning west of the Mississippi River. Advantages of static free coverage and high fidelity, along with same coverage both night and day, bode well for expansion of FM in the future. This will be the first large FM operation in either {the} North or Central Missouri area."

The image of FM is largely of highbrow music and no advertising commercials, but KRES will not be programmed that way and may even feature "country music"..., the owner said.
This sort of thing depended on the individual market, but I think the real turning point for FM in many areas came around 1970-73. In St. Louis, it was 1972 when KSLQ came on the air with a "Super Q" format, eating away almost immediately at KXOK's formerly unassailable position. It took a little longer outstate. And, yes, KRES featured country music.
 
Maybe they’re thinking when TV overtook radio?
Actually, RV never "overtook" radio. The weekly usage of radio has been as much as or greater than that of broadcast television since TV began.
 
LED bulbs are so much better and use 10x less energy than incandescents. As the price became competitive the mandate was unnecessary. The marketplace would have decided.

A lot of conservative radio hosts railed against the incandescent ban but they love the AM in cars mandate. Go figure.
Same LED bulbs that have nearly killed AM radio? My Arkansas AM radio works great until the neighbor turns on their LED lights at about 7AM. It must travel through the power lines, or is it through the air? A new neighbor at my San Antonio house has now given me a problem, but only for fringe stations. I hate those damn things.
 
Same LED bulbs that have nearly killed AM radio? My Arkansas AM radio works great until the neighbor turns on their LED lights at about 7AM. It must travel through the power lines, or is it through the air? A new neighbor at my San Antonio house has now given me a problem, but only for fringe stations. I hate those damn things.
I've come across some higher quality LED bulbs (GE Reveal) that don't put off any meaningful amount of RFI. When I stick my radio right next to one of those (like, touching), all I hear is a soft hash; I back off a couple inches and it's practically inaudible.

I've actually had more problems with my LCD displays, which put off all kinds of awful interference, including an annoying whine, especially on the higher end of the band. However, as long as I put the radio about 3 to 5 feet away, it's not much of a problem (aside from the whine, which I can mostly cancel out if I orient the radio such that its null is aimed at the LCDs).

c
 
My dad started listening to FM in 1967 when he moved to Fargo for college and worked at KDSU, which ran jazz at night when he was board opping. The next year, KDWB "Stereo 98", running Drake Chenault's "Hitparade" went on air and he started listening to that. Other than those two, I don't know which FM stations were on in the Fargo area back then.
KQWB? (KDWB is, of course, Mpls-St Paul)
 
Same LED bulbs that have nearly killed AM radio? My Arkansas AM radio works great until the neighbor turns on their LED lights at about 7AM. It must travel through the power lines, or is it through the air? A new neighbor at my San Antonio house has now given me a problem, but only for fringe stations. I hate those damn things.
But what's more important, REDUCING GLOBAL POWER USAGE FOR LIGHTING BY TEN TIMES, or preserving hundred-year-old, outdated and unnecessary technology in the US?
 
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Same LED bulbs that have nearly killed AM radio? My Arkansas AM radio works great until the neighbor turns on their LED lights at about 7AM. It must travel through the power lines, or is it through the air? A new neighbor at my San Antonio house has now given me a problem, but only for fringe stations. I hate those damn things.
All of the bulbs in my home have been LED for the last ten years and they don't cause any interference, even the ones that cost less than a dollar. All the streetlights are also LED and AM works fine in the car driving past them. The only LED that does cause problems is the one that is attached to a dimmer, when it's on, there's a buzz across the AM band. The interference may be caused by a dimmer and/or a noisy power supply.
 
All of the bulbs in my home have been LED for the last ten years and they don't cause any interference, even the ones that cost less than a dollar. All the streetlights are also LED and AM works fine in the car driving past them. The only LED that does cause problems is the one that is attached to a dimmer, when it's on, there's a buzz across the AM band. The interference may be caused by a dimmer and/or a noisy power supply.
Same here. All of my light bulbs have been LED, with a few remaining CFLs, for over a decade. No dimmers and no noise issues at 2 feet or more away.

The main problem that kills Ancient Modulation in my house is the Faraday Cage that surrounds my entire house. Most people call it Stucco. The attenuation between outside and inside varies between about 20 dB at UHF to 40 dB below 10 MHz.

These are rough figures, as I don't have a calibrated field strength meter or spectrum analyzer. I'm going by signal strength as displayed on S meters or SDR receiver screens. But they are enough for me to know that outside antennas are required for all bands other than FM, where 100 kW stations override the losses.
 
The main problem that kills Ancient Modulation in my house is the Faraday Cage that surrounds my entire house. Most people call it Stucco. The attenuation between outside and inside varies between about 20 dB at UHF to 40 dB below 10 MHz.
It would be interesting if you could somehow tap into the wire embedded in the stucco and use that as an antenna.

I have also have a stucco house which was built in 1941, and I never experienced any "Faraday cage" effect

I got curious, and looked the history of stucco just now, I figured out why my house is RF-transparent and yours isn't: most stuccoed houses built post-WWII (such as yours) used metal wire for reinforcement, while earlier ones (like mine) did not. Some modern (21st century) stucco houses also use plastic netting instead of metal, which likewise wouldn't have any adverse effects on radio waves.

Interesting!

c
 
If you were on a task force assigned by the FCC to help save AM Radio, what recommendations would you make?

- Re-Identify the issues of current AM radio
(altho it's probably obvious).

- Find PRACTICAL solutions to the identified
issues (and NOT some ellusive panacaea)

- Assess what the people want from AM radio
(i.e., listeners, station owners).

It's already clear, that more stringent efforts need to be put in place to combat one allready obvious problem; electrical noise. Poorly filtered SMPS devices are one of the biggest offenders to AM reception. This
issue has been sorely over looked for a long time now. There's really no excuse for it, if saving AM Radio is to have any success.

The other problem is poorly designed AM radios with terrible audio bandwidth (Less than 3 Khz!). AM radio could sound so much better
with even a 10 Khz response (AM bandwidth limitation).
 
Then you would agree that the FCC was wrong in the 1950s/'60s when they mandated that TV manufacturers include UHF? That should have been a marketplace decision.
That mandate did not take away the existing vhf channels. Converter boxes were also available. Apparently, there was enough interest in uhf for both the broadcast stations and viewers that the tv receiver mandate was put in place for uhf. Neither the consumers or the broadcasters were forced to do anything.
 


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