[VIC] Metropolitan & Regional Mobile Radio (VICMMR / VICRMR)

MMR, RMR, SAGRN, GWN, NTESTN, WAERN
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Bigfella237
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Re: Victorian MMR network

Post by Bigfella237 » Wed Nov 01, 2017 4:28 pm

There's actually three of those...
  • Maryborough (003-011) is on ACMA site 36747 but 4 freqs are duplicated on ACMA site 42181
    Mt Tassie (003-064) is on ACMA site 10006793 but 5 freqs are duplicated on ACMA site 12042
    Kinglake (004-031) is on ACMA site 12007 but 4 freqs are duplicated on ACMA site 12009
Also it looks like your list is missing an unidentified site at Cape Bridgewater (ACMA 10007543) but the freqs were only authorised a week ago so you may not have seen that one yet.

BTW, I wanted to suggest that your site numbering system really needs to be changed now that you have site numbers over 099 too. I count 3 RMR sites so far but I'm sure there are many more to come as I have 39 RMR sites listed as unidentified now (and only 1 MMR site unidentified, that being the Spencer Street police complex). I can't really see them going to an RFSS 005 for those new sites, they might, but I would've thought we'd have seen some evidence already?

Also, I checked all the frequencies licenced to those unidentified sites looking for possible simulcast groups too and there are two pairs of sites with identical frequency sets...
  • Boronia (570450) and Mt Dundeed (51574); and
    Ryanston (301302) and Traralgon (132617)
...but looking at them on the map, they seem too far apart to be simulcast?

Anyway, I think our map here is once again up to date, but by tomorrow... who knows?! :roll:

Andrew

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Bigfella237
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Re: Victorian MMR network

Post by Bigfella237 » Wed Nov 01, 2017 6:11 pm

Pumper_50 wrote: ~ One of the sites might possibly [be] a duplication ~
I forgot about this part... yep there is a duplicate listing in the RMR list somewhere, I remember going to check it off but I already had, unfortunately I didn't take note of which site it was, sorry.

Andrew

Pumper_50
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Re: Victorian MMR network

Post by Pumper_50 » Wed Nov 01, 2017 6:48 pm

Ah the Mt Tassie is another interesting one with a bit of mystery to it.

Not sure if ACMA goofed or received incorrect data and had it assigned to the broadcast tower when in fact it was on the Telstra tower, or if it was on the broadcast tower and moved to the Telstra site, hence the duplication.

Their coordinates for the Telstra tower actually takes you to a location between the two sites with nothing but dirt.

I'm assured the gear is actually on the Telstra site, not the broadcast tower to the South, time will tell.

Still trying to sort what the go is with Kinglake

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Pumper_50

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Bigfella237
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Re: Victorian MMR network

Post by Bigfella237 » Sat Nov 04, 2017 6:16 am

@Pumper_50, any chance you could have a look at Glen Waverley (ACMA 42813)? It's unidentified on your map but I have it as part of the 001-009 LSM group with Chadstone (41815) & Surrey Hills (36235). All the frequency licences are identical between the three sites and they're all within 7-9km of each other.

Also another silly question, all the MMR RFSS 002 sites that I know of were migrated from RFSS 001 except Mount Helen (002-026)... or was it originally a zone 1 site as well? And if so, do you recall what its original site number was?

And I'm wondering if someone can confirm that sites 001-029 Mt Cottrell and 001-034 Sunbury are unchanged (site number-wise)? Looking at them on the map, I would've expected them to be moved to zone 2 as well.

Andrew

Pumper_50
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Re: Victorian MMR network

Post by Pumper_50 » Sat Nov 04, 2017 7:48 am

Hi,

Let me check on Glen Waverley when I get a chance.

I think from memory it originally was an ISR site though and may have transitioned at a later stage to be part of an LSM system.

I have a feeling Mt Helen may have always been RFSS 2, in fact it may have been the initial one, I can't recall for certain though.

I'll dial up those other sites for you when I get a chance and let you know, unless someone else does first.


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Re: Victorian MMR network

Post by Pumper_50 » Sat Nov 04, 2017 1:35 pm

My memory is going it would seem!

Glen Waverley (Police Academy) was not an ISR site initially according to some rather old notes I have. Although I do have some text indicating there was something a little different about it at the time (circa 2005) and telling me to refer to another document, WHICH I CAN'T FIND....yet :roll:

It may have been related to some 25w allocations at the time.

I've added the SiD to the dot on the map.
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Pumper_50
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Re: Victorian MMR network

Post by Pumper_50 » Sat Nov 04, 2017 4:27 pm

Mt Cotterell is still 0129.

Mind you it is currently using its alternative CC frequency, that being 420.7250MHz.

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Bigfella237
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Re: Victorian MMR network

Post by Bigfella237 » Sun Nov 05, 2017 5:52 am

Thanks for that!

I'm confident Glen Waverley is actually part of that LSM grouping, it's too much of a coincidence not to be.

Does anyone have a screenshot of the RMR bandplans handy (or could copy them here)?

The only bandplan mentioned in the UT data I have is bandplan 15 (base 15-0000 165.1875 12.5kHz spacing) but I'm finding VHF freqs on the ACMA lower than LCN 15-0000 so either there is another bandplan that I'm missing or they are typos on the ACMA database?

Andrew

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Re: Victorian MMR network

Post by Longreach » Sun Nov 05, 2017 9:46 pm

Yeah i do, here it is.
Your seeing stuff for Bandplan 14. This is the same bandplan now for the MMR too.

Bandplan CH-Lo CH-Hi Offset Base Freq Step Type
00 0 0 0 0.0000 6.25 Phase 1 FDMA
01 0 0 0 0.0000 6.25 Phase 1 FDMA
02 8192 12287 8192 418.1000 6.25 Phase 1 FDMA
03 12288 16383 12288 420.0125 6.25 Phase 1 FDMA
04 16384 20479 16384 421.2625 6.25 Phase 1 FDMA
05 20480 24575 20480 422.2625 6.25 Phase 1 FDMA
06 24576 28761 24576 425.2625 6.25 Phase 1 FDMA
07 28672 32767 28672 465.0750 6.25 Phase 1 FDMA
08 32768 36863 32768 467.5125 6.25 Phase 1 FDMA
09 0 0 0 0.0000 0.00 Phase 1 FDMA
10 0 0 0 0.0000 0.00 Phase 1 FDMA
11 0 0 0 0.0000 0.00 Phas1 1 FDMA
12 0 0 0 0.0000 0.00 Phase 1 FDMA
13 0 0 0 0.0000 0.00 Phase 1 FDMA
14 57344 61439 57344 162.0500 12.5 Phase 1 FDMA
15 61440 65535 61440 165.1875 12.5 Phase 1 FDMA
VK2MRC

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Bigfella237
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Re: Victorian MMR network

Post by Bigfella237 » Mon Nov 06, 2017 5:20 am

Thanks for that, I thought I must've been missing bandplan 14 as there's just too many licences on the ACMA for it to be typos.

I thought the MMR was Phase 2 enabled already?

I'm almost ready to start posting an up to date list of MMR & RMR sites, I guess I'll just edit the first post in this thread to keep everything together.

I'm also adding pager sites to the map as we speak, not sure how much use they will be to anyone but what the hell. I gotta say I love the way Victoria is so organised with only MMR sites on one ACMA client number, and only RMR sites on another, and pager sites on another again.

Or maybe I should be criticizing NSW for how messy all our ACMA listings are as Queensland seems to have all their ducks in a row too.

Speaking of the state-wide Vic paging system, I see the same two frequencies (148.6875 & 148.9125) in all locations, but is it actually a state-wide system, as in all messages get sent to the whole state or are they broken up into regions or similar? And am I correct in thinking that each frequency is used by a different agency (say one for fire, the other for ambos)?

Andrew

EDIT: I forgot to mention that I've been screwing around with the icons on the map too, hopefully it's a little easier to figure out what type of site you're looking at now as regular sites have different icons to LSM, BDA, and railway sites. And of course pager sites have unique icons now too.

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