[AMRadio] Fw: [CRES-ann] AM Radio Mobile

[donroden at hiwaay.net]

Ahhhhh ..... Dick Biondi , Art Roberts, and Clark Weber WLS-AMs  "Super 
Stars"..... the old tube radios in our early 60s Chevys pulled in WLS 
radio's skywave after dark here in North Alabama.   Our "escape" from 
rural farm life.

  https://www.facebook.com/Dick.Biondi/

On 2023-01-24 11:12 am, JAMES HANLON wrote:

> The following article about EV car makers dropping AM Radio from their 
> cars may be of interest to you.  I also find the mention of EVs making 
> QRN in the AM broadcast band to be worrysome.
> 
> Jim, W8KGI
> ________________________________
> From: CRES-ann at groups.io <CRES-ann at groups.io> on behalf of Marty 
> Hartwell <mhartwe at gmail.com>
> Sent: Tuesday, January 24, 2023 9:37 AM
> To: CRES-ann at groups.io <CRES-ann at groups.io>
> Subject: Re: [CRES-ann] AM Radio Mobile
> 
> Hi David
> 
> It's been a while, but this brought back memories. Being from Michigan
> 
> and driving in the early 60's a popular radio station I could pull on 
> the
> 
> only radio I had in the 1954 Plymouth was Chicago listening to Dick
> 
> Beondy SP, never knew how spell or even if that is correct, in the 
> evenings
> 
> or on Saturday night to the Grand Ole Opry from Nashville.
> 
> Wow!! Thanks
> 
> Marty kd8bj
> 
> On 1/24/23 05:27, David Jeffords wrote:
> https://scienceandstuff.com/carmakers-are-dropping-am-radio-from-their-evs/
> 
> Carmakers Are Dropping AM Radio From Their EVs
> BY MARCIA WENDORF<https://scienceandstuff.com/author/marcia2/>     
> DECEMBER 17, 2022
> 
> While electric vehicles (EVs) are the wave of the future, they might be 
> eliminating a beloved institution from the past ⁠- AM radio.
> 
> A brief history of radio
> 
> Radio comes in two "flavors", AM, or amplitude modulation, and FM, or 
> frequency modulation. Both transmit sound in the form of 
> electromagnetic waves, with AM varying the amplitude of the wave while 
> the frequency remains the same, and FM varying the frequency of the 
> wave while the amplitude remains constant.
> 
> AM radio was first invented by Canadian-born American inventor Reginald 
> Fessenden<https://www.invent.org/inductees/reginald-fessenden> who, on 
> Christmas Eve in 1906, transmitted the first radio broadcast from Brant 
> Rock Station, Massachusetts to ships at sea. AM operates in the 535 to 
> 1705 kHz range, and its waves can travel over larger distances than 
> those of FM, making AM stations cheaper to operate. However, AM radio 
> has poorer sound quality than that of FM, which was developed in the 
> U.S. during the 1930s by Edwin 
> Armstrong<https://www.invent.org/inductees/search?combine=Edwin%20Armstrong>. 
> FM's waves are in the 88 to 108 MHz range.
> 
> AM radio hit its apex during the 1950s and 1960s, when teens sat glued 
> to their radios, especially at night when the AM signals traveled the 
> farthest. Popular DJs such as Wolfman Jack who broadcast from Ciudad 
> Acuña, Mexico became stars. While AM radio has been declining in 
> popularity for years, a 2018 
> study<https://www.edisonresearch.com/over-half-of-in-car-radio-listeners-only-listen-in-car/> 
> by Edison Research showed that AM radio is primarily listened to in 
> cars during the morning and evening commutes when listeners tune in for 
> traffic and weather updates, news, and talk radio.
> 
> The era of the EV
> 
> The first mass-produced electric vehicle, the EV1, was created in 1996 
> by General Motors. Today, there are over 20 electric car manufacturers. 
> Electric cars are defined as having at least one electric motor which 
> is powered by a rechargeable battery.
> 
> The electric drive train of battery-powered vehicles creates 
> electromagnetic interference (EMI) with AM radio, causing static, 
> crackling, distorted sounds, and buzzing. If the two signals are in 
> direct opposition to one another, the AM signal can be canceled out 
> entirely, and as more powerful EV motors are built, the interference 
> with AM radio only increases.
> 
> It is for this reason that many electric car manufacturers have stopped 
> including AM radio in their cars. BMW was the first auto manufacturer 
> to eliminate AM radio starting with its 2014 i3 sedan. In a 
> statement<https://ultimateclassicrock.com/am-radio-electric-cars/> 
> addressing AM radio in its vehicles, BMW said, "Rather than frustrate 
> customers with inferior reception and noise, the decision was made to 
> leave it off vehicles that feature eDrive technology."
> 
> Tesla eliminated AM radio in 2018 with its Model S and Model X, while 
> Porsche eliminated AM radio from the standard equipment included in its 
> 2019 Taycan models. Audi eliminated AM radio from its e-Tron vehicles 
> citing the availability of alternative digital radio via cellular or 
> wi-fi. Volvo's XC40 Recharge and C40 Recharge don't come with AM radio, 
> and Volkswagen has removed AM radio from its electric SUV, the ID.4. 
> BMW's EVs, the i3 and i8, don't include AM receivers, however, BMW's 
> hybrid vehicles do. According to a recent 
> article<https://www.nytimes.com/2022/12/10/business/media/am-radio-cars.html> 
> in The New York Times, Ford has announced that it is dropping AM radio 
> from the 2023 model of its popular electric pickup truck the F-150 
> Lightning.
> 
> EVs still including AM radio are Ford's Mustang Mach-E and GM's Chevy 
> Bolt EUV and Hummer EV. Mercedes includes AM/FM radios in some of its 
> electric vehicles but not the EQS EV. While it was discontinued in the 
> U.S. in 2020, Stellantis's Fiat 500e included an AM radio. Stellantis 
> was created in 2021 through a merger between Fiat Chrysler and the 
> French PSA Group.
> 
> EV manufacturers could eliminate some AM radio interference by adding 
> shielding to cables and wiring components, and by increasing the 
> insulation around the electric motor, however, this would increase both 
> the cost and the weight of the car. This wouldn't be the first time 
> engineers have sought to eliminate EMI interference from car radios. In 
> the early days of gas-powered cars, engineers attempted to shield the 
> AM radio from interference caused by the motor in the heater fan.
> 
> A safety issue
> 
> As the number of EVs and hybrid vehicles without AM radio has 
> increased, the issue has caught the attention of U.S. Senator Ed Markey 
> (D-Massachusetts). On December 1, 2022, Markey sent a letter to 20 EV 
> manufacturers including BMW, Ford GM, Honda, Hyundai, Jaguar Land 
> Rover, Kia, Lucid, Mazda, Mercedes-Benz, Mitsubishi, Nissan, Polestar, 
> Rivian, Stellantis, Subaru, Tesla, Toyota, Volkswagen, and Volvo, 
> asking them to continue to include AM radios in their vehicles, and 
> raising the issue of adding electromagnetic shielding.
> 
> Included in Markey's letter was: "Despite innovations such as the 
> smartphone and social media, AM/FM broadcast radio remains the most 
> dependable, cost-free, and accessible communication mechanism for 
> public officials to communicate with the public during times of 
> emergency … "
> 
> The letter gave car makers until December 22, 2022, to respond. Senator 
> Markey is best known for extending the duration of Daylight Savings 
> Time, first in 1985, then extending it further in 2005. He is currently 
> sponsoring the "Sunshine Protection Act," which would make Daylight 
> Savings Time permanent.
> 
> AM stations are also protesting the elimination of AM receivers in EVs, 
> with New Orleans station WWL claiming that during Hurricane Katrina 
> there was no Wi-Fi or cellular reception and that their station was 
> uniquely able to provide vital information about rescue efforts.
> 
> Alternatives to AM radio
> 
> European auto manufacturers have long been removing AM radio from their 
> cars in favor of the Digital Audio Broadcasting (DAB) format. DAB is 
> capable of transmitting a larger number of stations at a higher quality 
> and for a cheaper price. Today, AM radio stations primarily remain in 
> Spain, the U.K., Ireland, and Greece.
> 
> Automakers are looking toward Internet streaming, satellite radio, and 
> AM simulcasts on HD FM radio as alternatives to AM radio. A global 
> radio aggregator and streaming service called TuneIn allows users to 
> listen to more than 100,000 radio stations from around the world over 
> their phone's data connection. Carmakers offering TuneIn include 
> Mercedes-Benz, Jaguar-Land Rover, Stellantis, Rivian, Lucid, and Tesla. 
> You can listen to hundreds of radio stations, sports, news, talk, and 
> music from around the world for free by using Radio Player 
> Life<https://chrome.google.com/webstore/detail/radio-player-live/aafalbmhhmidfmfcoaidbaabmcocgakk?hl=en> 
> through Google's Chrome or Microsoft's Edge browsers. Another free 
> option is Radio.net<https://www.radio.net/> which offers 60,000 radio 
> stations from around the world.
> 
> Mercedes-Benz suggests multiple alternatives to AM radio, including 
> satellite radio, Internet streaming, and AM simulcasts over HD radio. 
> In a statement made to 
> Autoweek<https://www.autoweek.com/news/a42025199/will-electric-cars-kill-am-radio/>, 
> a spokesperson for BMW told owners of its i4, iX, and i7 EVs that: "We 
> do offer FM, HD Radio, Sirius XM Satellite as well as Apple CarPlay and 
> Android Auto. If a customer wants to listen to an AM radio station, he 
> or she can elect to do so via services such as TuneIn and connect/play 
> them directly via Apple CarPlay or Android Auto through the car's 
> speaker system."
> 
> <https://www.autoweek.com/news/a42025199/will-electric-cars-kill-am-radio/>
> 
> Will Electric Cars Kill AM Radio?
> 
> There's an interference problem from EV motors that's bumping AM bands 
> off of electric vehicle dashboards. Radio...
> 
> It's increasingly looking like AM radio could be going the way of car 
> hand crank windows, ashtrays, and cassette players and become a relic 
> of the past.
> 
> https://scienceandstuff.com/carmakers-are-dropping-am-radio-from-their-evs/
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