[cma-l] Radio Link Transmission systems

Fri Jun 3 11:05:00 BST 2016

Yes - all the time

Paul
Phoenix FM
www.phoenixfm.com

On 2 June 2016 at 23:15, Two Lochs Radio <tlr at gairloch.co.uk> wrote:

> Does anybody routinely listen off-air in the studio? I have never come
> across any station that does that. It's good to monitor it of course,
> typically a radio in the kitchen or reception permanently playing, and it
> should be an option for the studio to check output, but am I alone in
> thinking it unusual to listen off-air as a matter of routine in the studio?
>
> Alex
>
> On 02 June 2016 at 22:25 Nathan Silveston <nathan at nkpa.co.uk> wrote:
>
> The only real drawback with ip linking is the latency if you wish to
> listen off air in the studio. Even the most efficient of codecs the delay
> is too much.
>
> This means you either have to listen to desk output(not great) or have to
> have a low delay processor in the studio.
>
> Sent from my iPhone
>
> On 2 Jun 2016, at 21:37, Two Lochs Radio <tlr at gairloch.co.uk> wrote:
>
> That's a desirable approach certainly if funds permit, Ian, but I don't
> think latency is usually a big deal for a one-way link is it?
>
> Obviously for two-way links, interviews etc latency can be a big problem,
> but for an STL what does it matter if the transmission is slightly delayed?
> After all, DAB services can have seconds of latency, even with all the
> fancy gear the BBC can throw in, plus some in the receiver, as does any
> satellite-based service. And of course big talk stations deliberately go
> through a 5-10s delay so they can dump any 'inappropriate language'!
>
> Alex
>
> On 02 June 2016 at 20:04 Ian Hickling <transplanfm at hotmail.com> wrote:
>
> That's fine - except it's using public networks are domestic-quality
> equipment with the many risk elements that entails.
> Hardly a professional broadcast solution.
> We would only install professional rack-mounted codecs using the latest
> minimum-latency software operating via fixed IP addresses linked to
> a known reliable ISP - if the wholly-owned option of if a radio link path
> using any of the 5 available platforms was physically impossible.
>
>
> Ian Hickling
>
> Partner
>
> <http://www.transplanuk.com/>
>
> *Office: 016 3557 8435 <016%203557%208435>  (07h to 22h GTS)*
>
> *Car: 075 3098 0115 <075%203098%200115> (only responds when driving)*
>
> *6 Horn Street, Compton, NEWBURY, RG20 6QS*
>
>
> ------------------------------
>
>
>
> *From:* cma-l-bounces at mailman.commedia.org.uk [
> mailto:cma-l-bounces at mailman.commedia.org.uk
> <cma-l-bounces at mailman.commedia.org.uk>] *On Behalf Of *Alan Coote
> *Sent:* 02 June 2016 09:45
> *To:* cma-l at mailman.commedia.org.uk
> *Subject:* Re: [cma-l] Radio Link Transmission systems
>
>
>
> Using IP, you can easily stick in a router at the TX with automatic
> network fail-over. It will pick up your internet stream via a secondary
> ADSL and /or plug a 4G modem .
>
>
>
>
>
> Alan
>
>
>
> *Subject: *Re: [cma-l] Radio Link Transmission systems
>
>
>
> not only that but sometimes the studio location can be in a really non
> suitable position for a transmitter site, and so you have to be situated
> somewhere else.
>
>
> [image: NKPA Broadcast Ltd]
> *Nathan Silveston*
>
>
> * Director NKPA Broadcast Ltd (9817955) **M: 07900 494 398
> <07900%20494%20398>*
>
>
> ------------------------------
>
> *From:* cma-l-bounces at mailman.commedia.org.uk [
> cma-l-bounces at mailman.commedia.org.uk] on behalf of Neil Munday [
> neilm at susyradio.com]
> *Sent:* 01 June 2016 15:51
> *To:* The Community Media Association Discussion List
> *Subject:* Re: [cma-l] Radio Link Transmission systems
>
> Nick
>
>
>
> Stop hyping on about 5 km it's a radio wave! Besides some stations have
> special constructions which affect pattern from a perfect circle!
>
>
>
> Neil
>
> On Wednesday, 1 June 2016, Canalside's The Thread <office at thethread.org.uk>
> wrote:
>
> What’s fascinating on this one is that the distance I believe between the
> Transmitter site and the actual base signal is about two and half miles …..
> crikey !   that’s nearly as big as the actual broadcast area !
>
>
>
> May I remind everyone ….. 5km !     don’t exceed that or else Ofcom will
> reach for the panic button the Commercials will chuck all their Toys out of
> the Pram and you’ll be in danger of broadcasting to more than one man and
> his Dog and we can’t have that now can we ?? as it just wouldn’t be
> Cricket. Everyone else pleases themselves but we have to stick to the rules
> of the fair play award.
>
>
>
> Remember, our aka name is   <>   Restricted FM                    LOL
>     J
>
>
>
> A couple of yogurt cartons and a piece of string normally does the trick
> and keeps the signal strength to a whimper, and the cost is negligible as
> well       a fiver (£5) tops
>
> With reference to what Glynn has suggested, if the signal does stray by a
> few yards then you can always lob a few twigs in the way of it, that also
> usually does the trick.
>
> Listening to the state of ours in certain parts of Macc, I think someone
> has chucked a Tree in front of it.
>
>
>
> Nick H Dumpty
>
>
> ------------------------------
>
> *From:*cma-l-bounces at mailman.commedia.org.uk
> <https://UrlBlockedError.aspx> [mailto:
> cma-l-bounces at mailman.commedia.org.uk <https://UrlBlockedError.aspx>] *On
> Behalf Of *Associated Broadcast Consultants
> *Sent:* 01 June 2016 13:33
> *To:* The Community Media Association Discussion List
> *Cc:* cma-l
> *Subject:* Re: [cma-l] Radio Link Transmission systems
>
>
>
> I agree with Bill - if you have perfect line of sight (not even a twig in
> the way) then a digital 5.8GHz link is the way to go.   It gives you ample
> bandwidth to deliver perfect uncompressed PCM (ie CD quality) audio - no
> need for mp3, aac etc compression.
>
>
>
> Rather than the free spectrum though, I'd go for licenced spectrum - for
> £50 a year fee it should be cleaner spectrum less susceptible to
> interference.
>
>
>
> A few more details available on our website 'ere
> <http://a-bc.co.uk/studio-transmitter-links-stl/>.
>
>
>
> --
>
> Glyn Roylance - Principal Consultant
>
> Associated Broadcast Consultants <http://www.a-bc.co.uk/>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> On 1 June 2016 at 12:06, Jonathan Pinfield <
> jonathan.pinfield at bcbradio.co.uk <https://UrlBlockedError.aspx>> wrote:
>
> Hi all
>
>
>
> We’re looking for cheap and reliable solutions to get our “on-air” output
> from our studios in Bradford city centre to our transmitter site a couple
> of miles away. We’ve got line of site from the top of our building to the
> transmitter site.
>
>
>
> Please let us know cost effective & practical solutions that work for you.
>
>
>
> Thanks
>
>
>
> Jonathan Pinfield
>
> Broadcast Manager – BCB 106.6fm
>
>
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