[TheList] Unknown data pulses on 477.025mhz in PRS band

Wed May 1 10:26:35 AEST 2013

hey Daniel, 

I'm wondering if maybe its some type of interference from maybe a trunking control channel or something, i often could here it on Hamilton 1 in the centre of town.. I'm on somerset st currently and don't hear it

Cheers, 

Richard/Z-master 

Sent from a mobile device.  Please excuse the brevity, spelling and punctuation.

-------- Original message --------
From: Mark Robinson <mark.robinson at paradise.net.nz> 
Date:  
To: thelist at radiowiki.org.nz 
Subject: Re: [TheList] Unknown data pulses on 477.025mhz in PRS band 

On 30/04/13 21:36, Daniel Richards wrote:
> Hi all,
> there's a short 900ms or so pulse of data on channel 25 PRS? here in Hamilton.
> It seems to happen every 9-10 seconds or so.
> Anyone know what this is? (MP3 attached, or if it gets stripped
> http://kyhwana.org/477.025mhz-PRS-data.mp3 )

That mp3 seems to be only 14kB, and broken.

Is it all the same strength?

Does it have a constant tone at the start of each packet?

Could almost anything.

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