Path: ...!feeds.phibee-telecom.net!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Jeroen Belleman Newsgroups: sci.electronics.design Subject: Re: AM radio law opposed by tech and auto industries is close to passing Date: Sun, 5 May 2024 20:51:42 +0200 Organization: A noiseless patient Spider Lines: 56 Message-ID: References: <49fhgkxdv5.ln2@Telcontar.valinor> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 05 May 2024 20:49:47 +0200 (CEST) Injection-Info: dont-email.me; posting-host="66b0de1260d04c79a188e7833f3e96d9"; logging-data="2113283"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19PyBJbIxD81ZiB76xXBkHS" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Cancel-Lock: sha1:7UDRabQLYo09eRZ+/OG1CFqFLPA= In-Reply-To: Content-Language: en-US Bytes: 3316 On 5/4/24 22:39, Carlos E.R. wrote: > On 2024-05-04 13:43, Jeroen Belleman wrote: >> On 5/4/24 12:29, Carlos E.R. wrote: >>> On 2024-05-03 17:43, John Larkin wrote: >>>> On Thu, 02 May 2024 05:24:08 GMT, Jan Panteltje >>>> wrote: >>>> >>>>> AM radio law opposed by tech and auto industries is close to passing >>>>> https://arstechnica.com/cars/2024/05/am-radio-is-a-lifeline-lawmakers-say-tech-and-auto-industries-disagree/ >>>>> A recent test of the emergency alert system found only 1 percent >>>>> got it via AM. >>>>> >>>>> Strange. most is FM these days, or digital? >>>>> Something to do with Soros buying radio stations ;-) ? >>>> >>>> AM radio is a century-old technology. It makes more sense to push >>>> microwatts of light over a fiber, or a few watts from a gen6 cell >>>> node, than to spray tens or hundreds of kilowatts of RF out into the >>>> universe. >>> >>> Heh. The power needed is not that related to being old technology, >>> but to the frequency used. The lower the frequency, the more power is >>> needed. >>> >> [...] >> >> I'm pretty sure that the power consumed by modern telecoms >> infrastructure exceeds that of broadcast radio manyfold. > > > An AM or LW transmitter can be a megawat. > > > Google: > > Long Wave Radio These wavelengths travel very long distances and > generally use much higher power than medium wave, or FM and DAB. Typical > power levels are 500 kilowatts, though some stations transmit with up to > 2 megawatts (two million watts). > > Long Wave - World of Radio > worldofradio.co.uk > https://worldofradio.co.uk › LongWave > https://worldofradio.co.uk/LongWave.html > > > > A 5ESSS exchange we were setting up took only a few KW, 2 or 5, measured > when we tested the batteries. Long distance only, just a dozen local lines. > Every cell tower consumes kilowatts and you need lots of them to reach the same number as a single AM MW or LW station. Jeroen Belleman