SJA Digital in 8 weeks

St John Ambulance (6DS), AMS, RFDS etc. Frequencies, callsigns and discussion.

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Amb510
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Re: SJA Digital in 8 weeks

Post by Amb510 » Mon Feb 08, 2010 10:18 am

My scanners been dead quiet for the last 90mins no sja chatter is it me or have they switched over to the digital network already ?

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Re: SJA Digital in 8 weeks

Post by yorky » Mon Feb 08, 2010 10:22 am

I must say when I flicked past the channels and listened to a few quick 89's there was no longer any annoying sellcall beeps I'm guessing if they have digital in the van's that it silently idents to the dispatcher?
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Always RX
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Re: SJA Digital in 8 weeks

Post by Always RX » Thu Feb 18, 2010 3:51 pm

Ive been running analogue and digital side by side and in the time i have been listening all 6DS digital transmissions have been encrypted and around 90% of the mobile transmissions have also been encrypted. I think that it shouldn't be too long before SJA goes silent on our receivers.

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Re: SJA Digital in 8 weeks

Post by gkoutlis » Thu Feb 18, 2010 3:52 pm

Always RX wrote:Ive been running analogue and digital side by side and in the time i have been listening all 6DS digital transmissions have been encrypted and around 90% of the mobile transmissions have also been encrypted. I think that it shouldn't be too long before SJA goes silent on our receivers.
Will happen sooner than you all think ;)

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Fitzyyy
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Re: SJA Digital in 8 weeks

Post by Fitzyyy » Thu Feb 18, 2010 7:36 pm

Im picking it up fine on my 93xlt (listening to it right now)

helimedic
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Re: SJA Digital in 8 weeks

Post by helimedic » Thu Feb 18, 2010 8:03 pm

SJA is in the final stages of testing the encrypted digital radio system.

It won't be much longer until all analogue scanners will become expensive paper weights..........

Helimedic.

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Re: SJA Digital in 8 weeks

Post by Tyranus » Thu Feb 18, 2010 11:04 pm

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Re: SJA Digital in 8 weeks

Post by Always RX » Fri Feb 19, 2010 10:34 am

Yeah, whilst I found SJA ops interesting, in the scheme of things it won't be a great loss as most of the interesting information was passed via data terminal anyway. It will be a good thing for the operators to be able to "speak freely".

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Re: SJA Digital in 8 weeks

Post by gkoutlis » Fri Feb 19, 2010 10:36 am

SJA VFAS - are also being upgraded - however, it is expected our systems will stay UN-encrypted for now.

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vk6hgr
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Re: SJA Digital in 8 weeks

Post by vk6hgr » Fri May 07, 2010 10:17 pm

Always RX wrote:Yeah, whilst I found SJA ops interesting, in the scheme of things it won't be a great loss as most of the interesting information was passed via data terminal anyway. It will be a good thing for the operators to be able to "speak freely".
Agreed. Really the SJA don't say anything that much as it is so I'm not exactly sure why they've gone with P25 digital - unless it's to join on with the encryption bandwagon. Their analogue radios sounded far clearer and although digital can occasionally sound like, "wow it sounds amazing" but mostly it's more like "drowning robot"
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Re: SJA Digital in 8 weeks

Post by Bonez » Fri May 07, 2010 11:35 pm

Ahh... the joys of low quality MPEG audio streams :)
Compressed so hard that it produces the robot sounding voices...

vk6hgr
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Re: SJA Digital in 8 weeks

Post by vk6hgr » Wed May 12, 2010 8:39 am

I was listening on the way in to work today... sounds like they've cut the dispatcher's audio over to the digital network (the drop in audio quality was noticeable!)

So not long now and they'll be flipping the switch to kill off analogue 6DS.
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Amb510
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Re: SJA Digital in 8 weeks

Post by Amb510 » Wed May 12, 2010 10:03 pm

I noticed the P1 tone and the selcall tone was different on my scanner as well unless my scanner speaker is playing up, the new digital channel is encryted isnt it ?

HL 101

Re: SJA Digital in 8 weeks

Post by HL 101 » Wed May 12, 2010 11:09 pm

Amb 510

it not your scanner speaker it all so weird on mine too.

gremlin
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Digital frequencies

Post by gremlin » Wed Jun 16, 2010 12:32 pm

Just wondering if anyone has new digital frequencies for SJA yet there gone silent

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