Re: ARLA/CLUSTER: Campanha contra o fim da Rádio Analógica no Reino Unido

[José António]

Só que não podemos comparar a Álgebra Matemática com a Língua 
Portuguesa, senão num pleonasmo como: "descer para baixo" significaria subir

Em 12-04-2010 19:00, Afonso Marques escreveu:
>
> Se é contra o fim , então é a favor da manutenção da rádio analógica ...
>
> 73
>
> CT1RH
>
> ------------------------------------------------------------------------
>
> *De:* cluster-bounces  radio-amador.net 
> [mailto:cluster-bounces  radio-amador.net] *Em nome de *José António
> *Enviada:* segunda-feira, 12 de Abril de 2010 18:50
> *Para:* Resumo Noticioso Electrónico ARLA
> *Assunto:* Re: ARLA/CLUSTER: Campanha contra o fim da Rádio Analógica 
> no Reino Unido
>
> O assunto está mal traduzido, não é _contra_ mas sim _a favor_ da 
> Rádio Analógica
>
> Em 12-04-2010 14:24, João Gonçalves Costa escreveu:
>
>
>   **
>
>
>   *Save Analogue Radio campaign*
>
>
>   **A National Campaign to maintain essential traditional analogue
>   broadcast radio for everyday listening and for use in times of
>   national emergencies.**
>
> The pressure is on to replace traditional analogue radio broadcasting 
> with Digital Audio Broadcasting (DAB) radio.
>
> Indeed, the UK Government has provisionally set 2015 as the date when 
> the world wide standard frequency modulation (f.m.) services are to 
> disappear from the Band II 87.5 to 108MHz (v.h.f. f.m. band), to be 
> replaced with DAB radio transmissions.
>
> Eventually, the analogue services on long waves (198kHz) and medium 
> waves (500kHz to 1.6MHz) will also be replaced by digital transmissions.
>
> **Obsolete radio receivers:**
>
> Several million non-DAB equipped radio receivers could be made 
> obsolete, if the Band II plans are implemented -- requiring people of 
> all income groups to purchase new receivers. The 'digital effect' is 
> already apparent as very few manufacturers now produce analogue-only 
> receivers.
>
> **Practical considerations and technical difficulties: **
>
> Unfortunately, the Government's plans don't take into account the 
> large number of practical considerations and technical difficulties 
> involved with the present forms of digital transmissions -- 
> particularly when radio broadcasting is involved because of the 
> 'digital delay' effect (known as Latency). The problems are likely to 
> be difficult to overcome because most listeners use portable 
> receivers, utilising simple antennas (aerials).
>
> So, in response to the Government's proposals I am planning to 
> organise a national campaign urging the Government to retain analogue 
> broadcasting on Band II v.h.f. f.m. and on long and medium waves, 
> while maintaing the DAB radio services on Band III.
>
> Please don't hesitate to contact me if you need further information on 
> the complex problems that are in store for the radio listener in the 
> UK -- if the Government's seemingly ill-considered plans proceed.
>
> Thank you.
>
> **/Rob Mannion, G3XFD /**
>
> Dr. R. B. Mannion G3XFD
> Editor Practical Wireless magazine
>
> . Click here to support the Save Analogue Radio Campaign 
> <http://www.southgatearc.org/news/april2010/save_analogue_radio.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+AmateurRadioNews+%28Southgate+Amateur+Radio+News%29#null>
>
>   
>
>   
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