Is the problem radiated emissions or conducted emissions.... anyone know? Sent from my iPhone
> On Nov 8, 2018, at 9:19 PM, brucedp5 via EV <ev@lists.evdl.org> wrote: > > > > https://www.warc.com/newsandopinion/news/video_didnt_kill_the_radio_star_but_electric_cars_might/41298 > Video didn't kill the radio star… but electric cars might > 08 November 2018 > > Music cartridges didn’t see it off. Neither did cassettes, nor CDs. But AM > radio in cars might just have met its nemesis in the future of road > transport. > > It seems it’s about to be killed off by electric-powered motors, according > to the Wall Street Journal: what drives Teslas at speeds that match many > petrol-driven cars, and the Chevy Bolt well over 200 miles on a single > charge, also turns AM reception on the move into unlistenable static. > > The result is that electric car makers are starting to leave out the > analogue option entirely. > > A General Motors spokeswoman said the manufacturer was aware of the problem > with the Bolt and had “taken steps”, but didn’t elaborate. > > Experts say the problem is caused because electric vehicles produce > electromagnetic frequencies on the same wavelength as AM signals – that > produces a nasty buzzing and cause the radio signal to fade in and out. > > “You get two signals that literally collide into each other and cancel each > other out before the antenna even receives the signal,” Brian McKay, head of > engine innovation and technology at the North American operations of > Continental, told the Journal. > > And as electric motors are designed to be ever more powerful, so the > interference worsens. And rather than try and solve the problem, many car > makers have decided to simply drop AM radios from their electric vehicles. > > Honda no longer offers them on its hybrid electric Acura NSX sports car. And > Tesla has now removed AM radios from all its current models. Instead, > drivers have to settle for an internet-based radio service, plus FM radio, > optional HD radio, and Bluetooth to smartphones for streaming music or radio > stations digitally. > > It’s another blow for AM stations, many of which have already been hit by > steadily declining ad revenue. > > But, while the number might be up for AM in cars of the future, that doesn’t > mean radio in other forms has lost its appeal, even in cars. > > According to Nielsen, more Americans still tune into AM/FM radio than any > other platform, and 93% of US adults listen to radio every week — “more than > those watching television or using a smartphone, TV connected device, tablet > or PC”, the audience researchers say. > > Sourced from Wall Street Journal, Radio World; additional content by WARC > staff > [© warc.com] > ... > https://www.fcc.gov/media/radio/digital-radio > digital-radio > > > [dated] > Why Electric Cars Are Ditching AM Radio - Motherboard > https://motherboard.vice.com/en_us/article/.../why-electric-cars-are-ditching-am-radio > Feb 5, 2016 - BMW i3 and Tesla Model X don't offer terrestrial AM radio > because of ... the new Tesla Model X also dropped terrestrial AM radio from > its ... > > Big Name Car Owners Want Their AM Radio Back | Interference ... > https://interferencetechnology.com/big-name-car-owners-want-their-am-radio-back/ > Feb 10, 2016 - Meanwhile, the new Tesla Model X also dropped terrestrial AM > radio from its infotainment dashboard and instead provides most AM stations > ... > > The Future of AM Radio | Electronic Design > https://www.electronicdesign.com/blog/future-am-radio > Feb 17, 2016 - Can you believe AM radio is still around? Seems so retro, but > it is still useful. Nevertheless, AM radio has been in decline for years, > with many ... > > Will AM And FM Radio Really Be Eliminated On New Cars? - > https://jalopnik.com/will-am-and-fm-radio-really-be-eliminated-on-new-cars-4538490... > Mar 15, 2013 - I'd love to know who the panelists were that made these > claims, and who these car companies are that will supposedly be dropping > radio. > > BMW i3 electric car quirk: no AM radio offered, but why? (update) > https://www.greencarreports.com › News › Electric Cars > Sep 29, 2017 - The BMW i3 electric car is a tour de force of advanced > engineering--and it was the most energy-efficient car sold in the U.S. in > 2014 and 2015. > > BMW Owners Want Their AM Radio Back - Radio Ink > https://radioink.com › News › Headlines > Feb 8, 2016 - The reason BMW dropped AM was interference from the electric > drivetrain of the car blocking out the AM signal, making it fuzzy and > choppy. > > BMW and Tesla have ditched AM radio but trying to get it back > https://www.bmwblog.com/.../bmw-and-tesla-have-ditched-am-radio-but-trying-to-get... > Feb 7, 2016 - BMW was the first automobile company to ditch AM radio ... The > reason for the drop of one of America's oldest broadcasting mediums is that > the ... > > Reasons Your Car Radio Reception Sucks - Lifewire > https://www.lifewire.com › How To › Car Tech › Guides & Tutorials > Sep 8, 2018 - Nobody likes bad car radio reception. ... new car radio better > reception ... with interference, flutter uncontrollably, or even drop out > altogether. > > AM Radio Stations make a "whir" sound as the car accellerates and ... > https://forums.tesla.com/.../am-radio-stations-make-whir-sound-car-accellerates-and-sl... > 18 posts - ?13 authors > AM Radio Stations make a "whir" sound as the car accellerates and slows.... > how ... That paint spot would have to be specially removed for any grounding > to the ... > > https://www.google.com/search?q=AM+radios+dropped+cars > search AM radios dropped cars > ... > https://www.google.com/search?q=digital+am+radio > search digital am radio > > > > > For EVLN EV-newswire posts use: > http://evdl.org/archive/ > > > {brucedp.neocities.org} > > -- > Sent from: http://electric-vehicle-discussion-list.413529.n4.nabble.com/ > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
