<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div> I think lower power stations should be allowed greater field strength, especially in highly urbanised areas. As we know, the signal at car aerial hight is subject to significant attenuation because of buildings. This often means a loss of actual practical coverage well within the TSA. Any city or large town CR station will testify to that. </div><div><br></div><div>This won't affect the area of protection too much as the signal tails off according to the inverse square law. </div><div><br></div><div>But better to first have good coverage for existing stations me thinks!</div><div><br></div><div>Alan</div><div><br></div><div><br>On 8 Jun 2014, at 18:37, Tony Bailey <<a href="mailto:studio@ravensoundradio.co.uk">studio@ravensoundradio.co.uk</a>> wrote:<br><br></div><blockquote type="cite"><div>
<meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type">
<div class="moz-cite-prefix">A few observations:<br>
<br>
ABC article: It's obvious from the 103.4 list that there are two
stations running a kilowatt and one 7.5 kW so the channel is well
clogged before you've tried to fit any more in. The reuse
distance at those power levels is probably 100+ miles. <br>
<br>
Band Re-plan: There was a lot of paperwork generated by the
107-108 proposal, which would have given very local radio a leg
up, needless to say it was "sallied". You could try suggesting
that this should be cleared out although I doubt if anyone will
listen.<br>
<br>
Review approaches by other regulators: Try the FCC who have made
use of low power channels since AM radio. They also allow input
from consultants!<br>
<br>
Regards, Tony Bailey<br>
<br>
<br>
On 07/06/14 14:57, Associated Broadcast Consultants wrote:<br>
</div>
<blockquote cite="mid:CAG9-nrYf2j+O75yvniAxkS_gYj6x+HzRe3qxz_4qmd6x9DpLXA@mail.gmail.com" type="cite">
<div dir="ltr">Don't disagree Ian, but what to do about it?
Despite what some others may think, Ofcom are a rational entity
that makes decisions based upon fact and science (if they didn't
they would be accused of wasting taxpayers money). Thus they
are extremely unlikely to ignore what the ITU says in its
recommendations of FM/VHF protection ratios. (I'm not saying you
are saying they should do this either)
<div>
<br>
</div>
<div>In<a moz-do-not-send="true" href="http://a-bc.co.uk/ofcom-fmvhf-protection-ratios-illustrated/">
this post on our blog</a> we give a non-technical treatment
of the subject of co-channel protection ratios that some other
readers may be interested in despite the rather teccie sound
to it . It contains some pictures that clearly show the
dramatic impact of the protection ratios that Ofcom consider
when doing their spectrum planning.</div>
<div><br>
</div>
<div>Perhaps more importantly, we also give some potential,
pragmatic solutions to the issue.</div>
<div><br>
</div>
<div>Regards, Glyn</div>
<div><br>
</div>
<div class="gmail_extra">-- <br>
Glyn Roylance - Principal Consultant
<div>
<a moz-do-not-send="true" href="http://www.a-bc.co.uk/" target="_blank">Associated Broadcast Consultants</a></div>
<br>
<div class="gmail_quote">On 5 June 2014 13:44, Ian Hickling <span dir="ltr"><<a moz-do-not-send="true" href="mailto:transplanfm@hotmail.com" target="_blank">transplanfm@hotmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div>
<div dir="ltr">In anticipation of coverage of this
subject in the Conference on the 14th I have today
written to the relevant Officer of Ofcom as follows:
<div><br>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:0.0001pt;background:white">
<i><span style="font-size:12pt;font-family:Tahoma,sans-serif">There
appears to be a widespread
assertion by Ofcom that there are either no or
very few FM frequencies
available in a number of areas for potential
Community Radio stations.</span></i><i style="font-size:12pt"><span style="font-size:12pt;font-family:Tahoma,sans-serif"> </span></i></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><i><span style="font-size:12pt;font-family:Tahoma,sans-serif">We have been
contacted by potential Applicants in
several of these areas and as part of our
normal service we have carried out
scans of spectral occupancy at locations where
the
Applicant's transmitter is planned to be
located.</span></i></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><i><span style="font-size:12pt;font-family:Tahoma,sans-serif">In every case we
have found a number of unoccupied
channels which would be suitable for a
low-power service, even when taking into
account Ofcom's current stringent protection
factors.</span></i></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><i><span style="font-size:12pt;font-family:Tahoma,sans-serif">It is we suggest
unacceptable for Ofcom to state
that out of a total of 204 possible FM
channels in for example an area
receiving 9 major radio services and another
21 usable broadcasts, that at
least 1 of the 24 frequencies we have
identified is completely impossible to
press into use for a local 50W transmitter.</span></i></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><i><span style="font-size:12pt;font-family:Tahoma,sans-serif">We do however
accept that it would be completely
unreal for Ofcom to carry out an on-site scan
for available frequencies in
every possible UK location - or to do so on
receipt of every CR Application;
but we suggest that it is equally unreal for
Ofcom to issue blanket denials of
capacity over such generalised wide areas.</span></i></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><i><span style="font-size:12pt;font-family:Tahoma,sans-serif">Another point here
is that for Ofcom to suggest
that AM is a feasible alternative to FM for
Community Radio in the UK is from
every conceivable practical viewpoint
somewhere between misguided and
a serious deception.</span></i></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><i><span style="font-size:12pt;font-family:Tahoma,sans-serif">In attempting to
facilitate as many Community Radio stations
as
possible - not just because
it produces revenue for our business -
but because it goes towards fulfilling a clear
and laudable Government
initiative - we are carrying out a realistic
on-site occupancy scan for every
potential CR Applicant who contacts us.</span></i></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><i><span style="font-size:12pt;font-family:Tahoma,sans-serif">I trust that Ofcom
will conscientiously receive and analyse each
one of these in good
faith and with an open mind as part of its
Statutory Duty, regardless of
any perceived time or manpower considerations.</span></i></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><i><span style="font-size:12pt;font-family:Tahoma,sans-serif"><br>
</span></i></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><span style="font-size:12pt"><font face="Calibri">Your
comments would be appreciated.</font></span></p>
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white">
<span style="font-size:12pt"><font face="Calibri">Many
thanks</font></span></p>
<span class=""><font color="#888888">
<p class="MsoNormal" style="margin-bottom:16.2pt;background:white"><span style="font-size:12pt"><font face="Calibri">Ian
Hickling</font></span></p>
<p class="MsoNormal"><i><span style="font-size:12pt;font-family:Tahoma,sans-serif"> </span></i></p>
</font></span></div>
</div>
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