[cma-l] AM community radio

[Alan Coote]

Now that is proper radio! - Reminds me of shortwave station ‘a friend’ used to run. Got into Europe very easily until the tuning coil got a bit warn and set fire to his dad’s garden shed.  

Anyway well done Phil!

Kind Regards
Alan
 
Alan Coote
 
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On 15/09/2015 13:52, "Fantasy Radio Office" <cma-l-bounces at mailman.commedia.org.uk on behalf of office at fantasyradio.co.uk> wrote:

>Afternoon all,
>
>For what it's worth, my own experience with AM is that you can get some 
>astonishing results! For several RSLs I have used a wire antenna, (an 
>inverted L) to great effect. The Earth mat consisting of wire netting 
>laid on the ground. Height is might as always, but even with only 20 
>metres, we were getting into Europe! I have reception reports to prove 
>it. I have also used a single 1 1/4" tube steel mast, with a 'top hat' 
>to increase top capacitance. I believe Radica used to do AM antennae 
>using a lamp post. (you can get a lamp post for about £300)  The 
>standard RSL AM licence is for 1 watt. This gives a similar coverage to 
>FM at 25watts. Oh yes, and I designed and built my own transmitters, 
>using valves!
>
>Within the specified 5km radius for community radio, AM will do the job 
>nicely. (very important to get some good audio processing though) Also, 
>with fewer stations now on AM it could get better!
>
>Anybody want to know more? mail me at phildawson at lemonmail.co.uk.
>
>Phil Dawson
>FANTASY RADIO97FM
>Devizes
>Wiltshire.
>
>
>
>On 15/09/2015 12:00, cma-l-request at mailman.commedia.org.uk wrote:
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>> Today's Topics:
>>
>>     1. Re:  AMCR - SDR (Associated Broadcast Consultants)
>>     2.  AMCR - SDR (Ian Hickling)
>>     3. Re:  Confession (Two Lochs Radio)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Tue, 15 Sep 2015 10:33:45 +0100
>> From: Associated Broadcast Consultants <info at a-bc.co.uk>
>> To: The Community Media Association Discussion List
>> 	<cma-l at mailman.commedia.org.uk>
>> Subject: Re: [cma-l] AMCR - SDR
>> Message-ID:
>> 	<CAG9-nrYO5ZHtH6B54QmMBYS1VZqzLaSJD39dX4W_jqJ_g95C3A at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> If anyone is interested I have Software Defined Radio for sale on Ebay at
>> the moment.  I've used the same type of unit to run a DAB test multiplex.
>> I'm pretty sure I've recall that someone has already written the code to
>> run it as a DRM transmitter.
>>
>> http://www.ebay.co.uk/itm/HackRF-One-Software-Defined-Radio-NEW-Unopened-FREE-Postage-BARGAIN-/271983417851?hash=item3f537999fb
>>
>> I can't help feeling though that the SDR is the "easy" part.  The difficult
>> part is getting an efficient aerial system.
>>
>> Glyn
>>
>
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