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Old 10-08-2011, 11:43
BMR
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We should switch it off and use the spectrum for mobile broadband


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Old 10-08-2011, 11:49
Juan Carlos Ara
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But then, some people also think DAB is rubbish, so what band is the best?. We cant live without mobile radio, dont think about online, SAT or TTD radio.
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Old 10-08-2011, 11:50
fmradiotuner1
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The same can be said about DAB due to sound quality on a hifi system.
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Old 10-08-2011, 11:51
BMR
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But then, some people also think DAB is rubbish, so what band is the best?. .
Lets think radical. Get rid of all broadcasting and have loads of mobile broadband bandwidth instead- at least for radio
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Old 10-08-2011, 11:58
Juan Carlos Ara
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IMHO the most of those possible new services using conventional radio bands are aimed to be paid services. Nobody is going to build a network of expensive terrestrial repeaters to offer FTA radio for hand devices. So who is going to pay for radio in this part of the world where radio has been always free?.

FM and DAB are free, new services ( satellite, online , wifi radio , etc ) are not and they are not going to be.
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Old 10-08-2011, 12:17
hanssolo
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Ofcom are looking into keeping the FM band for small commercial and community stations after a radio DSO, plus "white space" point to point rural broadband "super wifi" links in the rest of the band (where telephone wires are too slow and 3G/4G will not reach!)
http://www.thinkbroadband.com/news/4...e-fm-band.html
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Old 10-08-2011, 13:12
Glomper
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We should switch it off and use the spectrum for mobile broadband


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It's you we should switch off..


Wish granted.
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Old 10-08-2011, 13:55
lundavra
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Lets think radical. Get rid of all broadcasting and have loads of mobile broadband bandwidth instead- at least for radio
I posted a mention of an OFCOM report that mobile companies were unhappy about people like Facebook and Google making lots of money on the back of their networks whilst they did not get a cut. The same probably applies to radio stations.
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Old 10-08-2011, 15:18
Vectorsum
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FM Radio is Rubbish
We should switch it off and use the spectrum for mobile broadband. Discuss
Au contraire.

Wideband VHF-FM sound broadcasting is one of the most spectacularly successful technologies of the 20th and 21st century, and will probably outlive anyone reading this board. A succession of major and minor improvements in encoding, transmission and reception hardware over its 60+ year service history mean that today you can hear speech and music crystal-clear many miles from the transmission sites, on a radio for which the BOM was probably about a quid or less.

If this were not so, DAB and the other digital radio technologies would have brushed it aside a decade ago.

There is plenty of 'white space' spectrum lying essentially unused by shrinking militaries around the world. This should be agile radio's first port of call, rather than the decades-established CCIR band that hopefully will be fully used by community and local stations. For Pete's sake, it was only in 1996 that the UK got access to the full band, never mind now losing it again to non-broadcast uses.
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Old 10-08-2011, 15:26
KnobTwiddler
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FM radio is rubbish
We should switch it off and use the spectrum for mobile broadband
Discuss
You are dead right!! FM radio is rubbish - it's full of bloody pirates in London.
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Old 10-08-2011, 15:32
Martin Phillp
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You are dead right!! FM radio is rubbish - it's full of bloody pirates in London.
To be fair, some of the current pirate outfits are as professional (and bland) as the legals.
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Old 10-08-2011, 16:01
Phil Dodd
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One question. Supposing that the original poster had his way. All FM radio transmissions cease. Hundreds of millions of FM radios, including the ones being unloaded right now off a container ship somewhere in the UK are disposed of. Mobile broadband starts with a network of cell transmitters, broadcasting streaming music across the band 87.5 to 108 MHz. Exactly how many channels of streaming music to cellphones can the new VHF cell transmitter opposite your house transmit at a time ?

Just wondered....
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Old 10-08-2011, 16:14
wiltshireboy
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We should switch it off and use the spectrum for mobile broadband


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Anyone who thinks FM radio is rubbish should switch off their receivers. I had a DAB receiver once - it's rubbish. hasn't been switched on for ages.
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Old 10-08-2011, 16:17
wiltshireboy
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Au contraire.

Wideband VHF-FM sound broadcasting is one of the most spectacularly successful technologies of the 20th and 21st century, and will probably outlive anyone reading this board. A succession of major and minor improvements in encoding, transmission and reception hardware over its 60+ year service history mean that today you can hear speech and music crystal-clear many miles from the transmission sites, on a radio for which the BOM was probably about a quid or less.
Spot on!!! a (relatively) inexpensive, tried and tested broadcasting system, received by an abundance of very inexpensive receivers which already exist in millions of homes and cars.

Why re invent the wheel?
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Old 10-08-2011, 20:46
_ben
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Ofcom are looking into keeping the FM band for small commercial and community stations after a radio DSO, plus "white space" point to point rural broadband "super wifi" links in the rest of the band (where telephone wires are too slow and 3G/4G will not reach!)
Whitespace broadband in the FM band is mental, the available spectrum isn't worth the trouble, and the cost of equipment if the UK adopts this unilaterally will be prohibitive. Much better to leave the whole band to local and community stations and use the UHF TV band whitespace for broadband, there's lots more spectrum there and an international standard (IEEE802.22) to keep equipment costs down.

Touche!
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Old 10-08-2011, 21:40
hanssolo
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Whitespace broadband in the FM band is mental, the available spectrum isn't worth the trouble, and the cost of equipment if the UK adopts this unilaterally will be prohibitive. Much better to leave the whole band to local and community stations and use the UHF TV band whitespace for broadband, there's lots more spectrum there and an international standard (IEEE802.22) to keep equipment costs down.
The IEEE802.22 standard already allows it to work in a point to multipoint VHF link so guess this is what Ofcom have in mind.

After a radio DSO, using high gain directional band 2 arrays, the range of VHF for getting several megs of broadband to remote villages and farms will much more than UHF, by using directional arrays the band 2 whitespace frequencies can be shared with FM community and small commercial radio in urban areas.
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Old 10-08-2011, 21:48
_ben
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The IEEE802.22 standard already allows it to work in a point to multipoint VHF link so guess this is what Ofcom have in mind.

After a radio DSO, using high gain directional band 2 arrays, the range of VHF for getting several megs of broadband to remote villages and farms will much more than UHF, by using directional arrays the band 2 whitespace frequencies can be shared with FM community and small commercial radio in urban areas.
Using a UHF TV channel 802.22 can provide about 20Mbps which could be shared between maybe 10 users. There's only room for one or two such channels in band II, which would make frequency reuse a bit of a problem.
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Old 10-08-2011, 22:06
Vectorsum
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At a radio club I used to attend many moons ago, there was a swear box for anyone using the phrase "packet radio". Unfortunate transgressors were required to shell out a quid. If memory serves correctly this was not far shy of the price of a pint back then.

I vote a similar system on DS's radio board, except triggered by the word "whitespace".
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Old 10-08-2011, 23:20
Gary Brenton
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Both FM and DAB have their good and bad points - the same goes for internet radio too.

I do tend to look for the good points in both spectums as oppose to the bad. FM radio (analogue) sounds better audio quality, and with a decent 'narrowband' FM tuner and a decent aerial, stations miles out of their TX (transmission) range can be heard quite clearly of which gives you a greater variety of stations.... those are the good points. The not so good points are that certain areas (urban) do consist of pirate radio which can be annoying at times and the cheaper FM tuners will only give a limited variety of stations with huge bleed-over due to being 'wide-band' only. Also without a decent aerial, local stations can hiss quite badly. Also FM in the car can be annoying when you get a periodic 'stereo' to 'mono' switching.

DAB.... personally I like 'some' services and such stations as Planet Rock/ Smooth Radio/ Absolute etc...sound superb on DAB. The not so good points are stations in mono bit rates of which sound worse than a dial up internet stream. Also DAB coverage is still poor in lots of parts of the country. DAB could work if the platform was managed properly.

These are just a few pointers from my personal opinions here...so there are good and bad points to both platforms.
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Old 10-08-2011, 23:29
_ben
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Woo, first post - welcome to the forums Gary

FM radio (analogue) sounds better audio quality
I would have to add a caveat to that - not round here it doesn't! In mountainous areas, multipath is a real problem and analogue FM sounds all mushy and horrid. For all the over-compression and reduced bitrates, DAB is a real treat for the ears after you've suffered years of listening to multipath reception.
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Old 10-08-2011, 23:51
Gary Brenton
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Woo, first post - welcome to the forums Gary



I would have to add a caveat to that - not round here it doesn't! In mountainous areas, multipath is a real problem and analogue FM sounds all mushy and horrid. For all the over-compression and reduced bitrates, DAB is a real treat for the ears after you've suffered years of listening to multipath reception.
Thanks Ben...yes, my first post....

I can see your point concerning FM though...I once had a problem with multipath distortion a while ago so I can fully understand why you appreciate DAB. I added a booster which made the reception a lot worse unfortunatey....as I swiftly found out...but I guess it is a case of trial and error where radio and aerials are concerned and luckily I am blessed with a roof-top aerial where I am at the moment and I use FM more than DAB to be honest
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Old 11-08-2011, 09:32
gomezz
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Lets think radical. Get rid of all broadcasting and have loads of mobile broadband bandwidth instead- at least for radio
I am up for that. At least I will be as soon as there is a mobile broadband device that can run for over five years on the same set of batteries with no need for recharging.
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Old 11-08-2011, 20:50
35321
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There is plenty of 'white space' spectrum lying essentially unused by shrinking militaries around the world. .

And if VHF "white space" was useable for mobile broadband:

to begin with
- what about the VHF spectrum vacated (or to be vacated) by emergency services that have moved to TETRA?

And the VHF spectrum not used in the UK since the defunct 405-line TV service shut in the early 80s??

and thats just to begin with, without suggesting 87.5-108 !
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Old 11-08-2011, 22:50
_ben
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to begin with
- what about the VHF spectrum vacated (or to be vacated) by emergency services that have moved to TETRA?
That's a very narrow segment of the PMR band, it would be better used for PMR than broadband.

And the VHF spectrum not used in the UK since the defunct 405-line TV service shut in the early 80s??
I think that was band III wasn't it? In which case its already in use for DAB broadcasting and some rogue PMR that they manage to fit in the gaps (whitespace, if you will).
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Old 11-08-2011, 23:33
Bandspread199
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Let's call it VHF eh? Can be used for AM or FM! Band 1 tv, Band 2 VHF Radio, Band 3 tv! OK So the radio was frequency modulated..but 405 line tv had am sound.
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