<div dir="ltr">Hello,<div><br></div><div>It's seems entirely feasible that you could build a basic AM transmitter with SDR technology. Even taking on DRM should be feasible.</div><div><br></div><div>However, at the frequencies used, you still have the antenna problem (they need to be larger to match the longer wavelength) and tuning units to worry about. Well, that and all the other practical issues Ian mentioned earlier.</div><div><br></div><div>Wasn't there some DRM experiments done a few years back on the old Talk 107 frequency in Edinburgh? IIRC, coverage was on a par with analogue FM but the quality wasn't great (it was a trade-off between the two).</div><div><br></div><div>Regards,</div><div><br></div><div>Marc.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On 14 September 2015 at 19:53, Tony Bailey <span dir="ltr"><<a href="mailto:ravensound@pilgrimsound.co.uk" target="_blank">ravensound@pilgrimsound.co.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>Reading this thread may explain why
none of the last London tranche AM licensees (new not existing)
got on the air. There are a number of LRSLs around the country on
AM although of course they only have to radiate 1 Watt. Maybe
it's a job for the SDR black box brigade to take on now that
they've finished playing with DAB? DRM anyone?<br>
<br>
Regards, Tony Bailey<br>
<br>
<br>
<br>
On 14/09/15 15:11, Ian Hickling wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hi Shankar
<div>The point I am making is that in awarding an AM Community
Radio Licence, Ofcom should as a matter if conscience and
indeed good business practice make sure that the Licensee is
fully aware of the additional costs and hazards over and above
those known and anticipated for the much simpler and
better-publicised FM platform.<br>
These are, I suggest:</div>
<div>
<ul>
<li><span>Few installation companies</span></li>
<li><span>Few experts with suitable knowledge and experience</span></li>
<li><span>Poor listener acceptability</span></li>
<li><span>Poor licensing record - only 5 out of a total of
274 UK awards</span></li>
<li><span>Low receiver availability</span></li>
<li><span>Lower audio quality</span></li>
<li><span>Subject to overseas interference outside daylight
hours</span></li>
<li><span>Unpredictable coverage</span></li>
<li><span>Very large and expensive antenna</span></li>
<li><span>Requirement for specific site size and features</span></li>
<li><span>Low availability of UK-produced transmitters</span></li>
<li><span>Low availability of suitable Aerial Tuning Units.</span></li>
<li><span>Higher price for transmitters and ancilliaries</span></li>
<li><span>Uncertainty as to CE-marking of imported equipment</span></li>
</ul>
<div>Do I need to go on?<br>
Please - somebody correct me if you disagree?</div>
</div>
<div><br>
<div>
<div><b>Ian Hickling</b><br>
</div>
Partner<br>
<br>
<a href="http://www.transplanuk.com/" target="_blank"><img alt=""></a>
<div><i>Office: 01635 578435 (7am-11pm UK time)</i></div>
<div><i>Carphone: 07530 980115 (only responds when driving)</i></div>
<div><i>6 Horn Street, Compton, NEWBURY, RG20 6QS</i></div>
</div>
<br>
<br>
<div>
<hr>From: <a href="mailto:shankar.meembat@exaget.com" target="_blank">shankar.meembat@exaget.com</a><br>
Date: Mon, 14 Sep 2015 13:58:45 +0100<br>
To: <a href="mailto:cma-l@mailman.commedia.org.uk" target="_blank">cma-l@mailman.commedia.org.uk</a><br>
Subject: Re: [cma-l] Confession<br>
<br>
I am an outsider to this process with no experience in this
area, so pardon the naivety.
<div><br>
<div>"<span>If Ofcom accepts that you have shown without
reasonable doubt that you can provide an efficient
transmission system and you have the funds to achieve
that</span>’ - seems to indicate that the application
process requires that the costing is already estimated
prior to submitting the application and submitted as
part of the process ? </div>
<div><br>
</div>
<div>What then causes the variation ? Ofcom awarding
different transmission (AM instead of FM applied for) or
changing some other conditions during the licence award
?</div>
<div><br>
<div>
<div>
<div>Shankar<br>
<br>
<br>
<table width="320">
<tbody>
<tr>
<td width="86"><span><span><img height="45" width="133"></span>
<div><br>
<table width="320">
<tbody>
<tr>
<td width="86"><b><br>
Shankar Meembat,</b> Founder
and CEO<br>
<span>UK: <a href="tel:%2B44%20%28741%29%201130680" value="+447411130680" target="_blank">+44 (741) 1130680</a> <br>
US: <a href="tel:%2B1%20%28702%29%204782134" value="+17024782134" target="_blank">+1 (702) 4782134</a> <br>
FI: <a href="tel:%2B358%20%2850%29%204862963" value="+358504862963" target="_blank">+358 (50) 4862963</a></span></td>
<td width="10"><br>
</td>
<td><br>
</td>
</tr>
</tbody>
</table>
</div>
<a href="https://www.facebook.com/exaget" target="_blank"><br>
</a><span><span><img height="32" width="32"></span><a href="https://www.linkedin.com/company/exaget-ltd-" target="_blank"><span><span><img height="32" width="32"></span></span></a><a href="https://www.twitter.com/exaget" target="_blank"><span><span><img height="32" width="32"></span></span></a><a href="https://www.twitter.com/exaget" target="_blank"> </a><br>
<br>
</span></span></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<br>
<div>
<blockquote>
<div>On 14 Sep 2015, at 13:43, Ian Hickling <<a href="mailto:transplanfm@hotmail.com" target="_blank">transplanfm@hotmail.com</a>>
wrote:</div>
<br>
<div>
<div dir="ltr">This is the crux<br>
Ofcom awards a Licence based on what you say you
can do in your Application.<br>
If Ofcom accepts that you have shown without
reasonable doubt that you can provide an
efficient transmission system and you have the
funds to achieve that and you fail - then it's
your responsibility.
<div>But - and it is a real but - how much
contribution does Ofcom make towards your
awareness of the hard facts?<br>
If it doesn't do that effectively and you fail
- whose responsibility is that?<br>
<br>
<div>
<div><b>Ian Hickling</b><br>
</div>
Partner<br>
<br>
<a href="http://www.transplanuk.com/" target="_blank"><img alt=""></a>
<div><i>Office: 01635 578435 (7am-11pm UK
time)</i></div>
<div><i>Carphone: 07530 980115 (only
responds when driving)</i></div>
<div><i>6 Horn Street, Compton, NEWBURY,
RG20 6QS</i></div>
</div>
<br>
<br>
<div>
<hr>From:<span> </span><a href="mailto:richodr@blueyonder.co.uk" target="_blank">richodr@blueyonder.co.uk</a><br>
To:<span> </span><a href="mailto:cma-l@mailman.commedia.org.uk" target="_blank">cma-l@mailman.commedia.org.uk</a><br>
Date: Mon, 14 Sep 2015 12:46:33 +0100<br>
CC:<span> </span><a href="mailto:stevejones42@talktalk.net" target="_blank">stevejones42@talktalk.net</a><br>
Subject: Re: [cma-l] Confession<br>
<br>
<div>
<div><span>Hi Ian</span></div>
<p><span> </span></p>
<div><span>I think this is the first post
to CMA Forum.</span></div>
<p><span> </span></p>
<div><span>YMCA Radio Barnsley was
successful in July 2014 in gaining an
AM licence.</span></div>
<p><span> </span></p>
<div><span>In July 2015 we had to hand
back the licence.<span> </span></span></div>
<div><span><br>
The cost for getting on air £100k!
(mast/equipment/field rent/porta
cabin/fencing/security/studio
link/insurance/yearly mast inspection
and power supply to a field). Never
mind 5 years on costs!</span></div>
<p><span> </span></p>
<div><span>The lottery after checking our
application for funds said that
looking at other bids of a similar
nature; we would not meet our
outcomes!</span></div>
<p><span> </span></p>
<div><span>So we had to hand it back. We
tried but it was unrealistic.</span></div>
<p><span> </span></p>
<div><span>Now then, “how’s small scale
doing” ?</span></div>
<p><span> </span></p>
<div><span>Dave Richardson</span></div>
<div><span>YMCA Radio Barnsley.</span></div>
<p><span> </span></p>
<div>
<div>
<div><b><span lang="EN-US">From:</span></b><span lang="EN-US"><span> </span><a href="mailto:cma-l-bounces@mailman.commedia.org.uk" target="_blank">cma-l-bounces@mailman.commedia.org.uk</a><span> </span>[<a href="mailto:cma-l-bounces@mailman.commedia.org.uk" target="_blank">mailto:cma-l-bounces@mailman.commedia.org.uk</a>]<span> </span><b>On
Behalf Of<span> </span></b>Ian
Hickling<br>
<b>Sent:</b><span> </span>14
September 2015 11:47<br>
<b>To:</b><span> </span>cma-l<br>
<b>Subject:</b><span> </span>[cma-l]
Confession</span></div>
</div>
</div>
<p> </p>
<div>
<div><span>I've just had to do something
I really hate - admit failure.</span></div>
<div>
<div><span>This morning I've written
to a sincere hard-working young
man in Bradford to tell him that
we can't offer him a feasible AM
transmission system so he can
comply with his hard-won Community
Radio Licence.</span></div>
</div>
<div>
<div><span>Not just us - but it's a
joint decision including advice
from another Ofcom transmission
provision company and also from
our AM specialist friends at the
BBC.<br>
I've copied in several relevant
people at Ofcom too so that are
aware of the real difficulties
that trying to put in an AM system
where they say there is no FM can
bring.<br>
Two weeks ago I sent them what I
believe is a fair and honest price
comparison produced in good faith
for a potential CR Applicant on
the outskirts of London that
showed AM costing over five times
that of an equivalent-performance
FM system.<br>
This isn't some form of organised
aggressive anti-AM campaign - I'm
just trying to get the fairest
deal for our Clients and for
Community Radio as a whole.</span></div>
<div>
<div>
<div><b><span>Ian Hickling</span></b><span></span></div>
</div>
<div><span>Partner</span><span><br>
<br>
<a href="http://www.transplanuk.com/" target="_blank"><span><img></span></a></span></div>
<div>
<div><i><span>Office: 01635
578435 (7am-11pm UK time)</span></i><span></span></div>
</div>
<div>
<div><i><span>Carphone: 07530
980115 (only responds when
driving)</span></i><span></span></div>
</div>
<div>
<div><i><span>6 Horn Street,
Compton, NEWBURY, RG20 6QS</span></i><span></span></div>
</div>
</div>
</div>
</div>
</div>
<br>
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