MRRS P25 System testing today
LIScanner101, Thu Jun 13 2019, 08:24pm

Has anybody heard the testing going on today?

Is this system going to replace the current MTA VHF channels?

Re: MRRS P25 System testing today
LIScanner101, Fri Jun 28 2019, 03:25am

Yesterday I heard someone talking about “re-registering as P2”. Looks like they’re getting closer to rolling this out, but if it goes P2 I’ll have to break out the RS PRO-668.

Re: MRRS P25 System testing today
Dave3825us, Fri Jun 28 2019, 11:29am

They have been testing on and off for a few weeks. Strong cc near Republic Airport.

Re: MRRS P25 System testing today
GTR8000, Fri Jun 28 2019, 07:15pm

It would be nice if someone would submit any talkgroups they're hearing to the RRDB. Or at the very least, note them here so I can add them.

Re: MRRS P25 System testing today
LIScanner101, Wed Jul 03 2019, 03:58pm



I will be sure to let you know the next time I hear them. They've been quiet lately, unfortunately.


Re: MRRS P25 System testing today
LIScanner101, Wed Aug 07 2019, 07:41pm

As an update: I have not heard anything on MRRS since my last post on 6/16/19.

Re: MRRS P25 System testing today
GTR8000, Wed Aug 07 2019, 08:25pm

There was quite a bit of testing on some of the other simulcast cells over the past two weeks. I haven't monitored the system in a while, though, so I'm not sure what the deal is.

Last time I was monitoring the Zone 7 cell, the Troop NYC talkgroup from the Metro-25 system was very active. The two systems are linked via ISSI.

Re: MRRS P25 System testing today
Dave3825us, Wed Nov 20 2019, 12:37pm

Keep seeing tg 9048 during the day. Current antenna situation is not allowing me to decode any audio. Anyone have an idea who it might be?

Re: MRRS P25 System testing today
GTR8000, Wed Nov 20 2019, 09:17pm

I've seen some activity on 9048, 9049, 9050 on the Zone 4 and Zone 7 cells. Subscriber IDs in the 4201xxx and 4205xxx ranges. Mostly affiliations and a few keyups in the clear. I'm only tracking activity in Unitrunker, not decoding voice.

Re: MRRS P25 System testing today
Dave3825us, Thu Nov 21 2019, 02:28pm

I am going to try Unitrunker with trunking recorder today, tomorrow. I really should use op25 with trunk recorder because with systems that my dsd and ut struggle with, op25 is usually clear as hell. Definitely does better with weak signals.

I see the following in my groups file. I noticed that entries with no date seem to be affiliations because this was happening with suffolks 700 system. Entries would appear and than like a week or two later, they would have date, hits and became active. And when doing the math, most of them multiplied by 16 equaled an existing tg on the scpd 800 smartzone.


P25, 91FE8.26E, 9032, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9033, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9034, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9048, 50, Normal, 11, 2019/11/19 15:26, ""
P25, 91FE8.26E, 9049, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9050, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9060, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9061, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9062, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9099, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9100, 50, Normal, 0, 0000/00/00 0:00, ""
P25, 91FE8.26E, 9104, 50, Normal, 0, 0000/00/00 0:00, ""


These entries are tg's that need to be id'd and or have affiliated and not yet active .

; Suffolk P25

P25, BEE00.3CE, 111, 50, Normal, 3, 2019/10/18 11:08, "tg 1776"
P25, BEE00.3CE, 247, 40, Normal, 32, 2019/02/02 22:40, "tg not on 800 3952"
P25, BEE00.3CE, 253, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 262, 40, Normal, 0, 0000/00/00 0:00, "tg not on 800 4192"
P25, BEE00.3CE, 990, 40, Normal, 0, 0000/00/00 0:00, "tg not on 800 15890"
P25, BEE00.3CE, 1373, 40, Normal, 6, 2017/05/01 22:47, "tg 21968"
P25, BEE00.3CE, 1387, 40, Normal, 46, 2019/11/15 15:41, "tg 22192 "
P25, BEE00.3CE, 1609, 40, Normal, 1, 2019/09/25 13:52, ""
P25, BEE00.3CE, 3800, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 3931, 40, Normal, 11, 2019/05/07 11:40, "tg not on 800 62896"
P25, BEE00.3CE, 3935, 40, Normal, 663, 2019/11/12 14:00, "tg not on 800 62960"
P25, BEE00.3CE, 3939, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 3951, 40, Normal, 10, 2019/11/11 21:31, "tg not on 800 63216"
P25, BEE00.3CE, 6301, 40, Normal, 68, 2019/11/10 15:32, "tg not on 800 100816"
P25, BEE00.3CE, 10001, 40, Normal, 26, 2019/01/10 17:37, "tg not on 800 160016"
P25, BEE00.3CE, 10003, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10005, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10051, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10053, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10055, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10101, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10103, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10105, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10109, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10151, 50, Normal, 1, 2019/11/09 16:14, ""
P25, BEE00.3CE, 10393, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10501, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10503, 50, Normal, 0, 0000/00/00 0:00, ""
P25, BEE00.3CE, 10601, 50, Normal, 9, 2019/11/09 16:08, ""
P25, BEE00.3CE, 30003, 50, Normal, 0, 0000/00/00 0:00, ""


Re: MRRS P25 System testing today
Dave3825us, Tue Jan 14 2020, 02:34pm

Testing on radio tech tg right now. Testers on Long Island at various stations. Keep hearing them say they are on site id 21. Also hearing them saying site id 15. Don't see a site 15 listed on the web or in the neighbors list other than the site nac. Keep hearing ox15 in addition to rssi values.. apx (moto) and xl200 (harris) radios being tested I assume as that's what they keep saying they are on. Seems like they are comparing rssi values between the two...


Also, what is the difference between zones and districts?

Thanks

Re: MRRS P25 System testing today
GTR8000, Tue Jan 14 2020, 07:35pm

Look at the Site ID in both DEC and HEX, that will answer your question.

The APX and XL200 display values differently. Motorola likes to use DEC values, and apparently Harris likes to use HEX. 21 DEC = 15 HEX.

The Zones are the radio coverage areas, as listed in the RRDB for each simulcast cell. The Districts are the coverage areas for the MTAPD. Go look at the thread on RR, I posted the list of Districts last night.

PS - The system is actually being used, at least for Districts 6/7 and reportedly District 2 as well...not just testing.

Re: MRRS P25 System testing today
Darkstar350, Thu Jan 16 2020, 11:39pm

This brings up the questions - now that this system is more or less fully on the air will they just abandon most or all of their talkgroups on Metro25?
And will they continue to just use the state licensed freqs and not the MTA licensed 700mhz freqs such as WQOZ552, WQOZ555, WQOZ581, etc or will those be for another system?


Re: MRRS P25 System testing today
LIScanner101, Fri Jan 17 2020, 12:41am

I’m getting “full bars” on this system on my Uniden 396XT and I haven’t heard a single thing all day. Scanner on ID search. Did this go P2?

Re: MRRS P25 System testing today
GTR8000, Fri Jan 17 2020, 12:49am

I don't believe that the MRRS has reliable coverage into NYC, which the Metro25 system obviously does. The two systems are interfaced via ISSI, and so it's pretty seamless to the end user...just select a talkgroup and off you go. My assumption is that the MTA users in NYC are going to remain on Metro25, and outside the city the MRRS sites will be used. Really though, the only way to know for certain will be for users to carefully monitor both systems going forward, and of course in addition to listening to the audio, tracking the systems in Unitrunker or DSD+ is also helpful in sorting it out.

As far as the FCC licenses are concerned, they scrapped the plan to incorporate any 800 MHz frequencies as part of this system, and canceled all of their YE licenses three years ago.

The 700 MHz SY licenses I believe all had a construction deadline of 12/31/2019, which of course has come and gone. I expect that either those licenses will be canceled by the MTA soon, otherwise the FCC will terminate them automatically within the next month or so.

Re: MRRS P25 System testing today
GTR8000, Fri Jan 17 2020, 12:50am


It has been a Phase II system since the day it was built.

Re: MRRS P25 System testing today
LIScanner101, Fri Jan 17 2020, 12:57am




Really? I was picking up transmissions on this system a couple months ago on the Uniden. Oh well, time to break out the PRO-668.

Thanks.

Re: MRRS P25 System testing today
GTR8000, Fri Jan 17 2020, 01:04am



I should clarify...the Metro25 talkgroups may come over as FDMA (since that's what they are on the Metro25 system), but the new MTA talkgroups native to the MRRS are TDMA.

Re: MRRS P25 System testing today
LIScanner101, Fri Jan 17 2020, 01:59am



Gotcha, thanks. I’ll start using the PRO-668 anyway just so I don’t miss anything.


Re: MRRS P25 System testing today
Darkstar350, Fri Jan 17 2020, 02:21pm

I dont get why they would bother licensing a bunch of freqs if they were just going to cancel them anyway
Seems like a waste

There are also some 700mhz trunk licenses under NYCTA (WQYA816 WQZT573 WQZT575) but those could possibly be for the future bus system...


Re: MRRS P25 System testing today
GTR8000, Fri Jan 17 2020, 06:37pm


A waste of what? If they don't use them, the frequencies will return to the pool for Region 8 for use by other agencies, no big deal.

Keep in mind that the MTA was one of the first in the region to license 700 MHz spectrum. They started the process of obtaining all of those licenses back in July 2010, with the licenses finally granted in March 2012. That may as well have been a lifetime ago, and was well before they were able to work out a sharing agreement with NYS to use some of the state's SL frequencies.

There are technical reasons why the MTA would not want to use those SY license frequencies, instead choosing to use the state's SL frequencies. For one, the MTA was not able to originally license any 700 MHz frequencies in Rockland, due to the county having already laid claim to all 10 allocated frequencies in Rockland for the county system. That meant that the MTA could not easily create a Rockland/Orange simulcast cell for Zone 4 using the same frequencies, and was going to be forced to use some 800 MHz frequencies in Rockland instead. The state frequencies also don't have nearly as many restrictions on their usage as far as where they can be used, output power, etc.

Things happen for a reason, even if they are not readily apparent on the surface.

Re: MRRS P25 System testing today
Darkstar350, Fri Jan 17 2020, 07:53pm



Makes sense i guess
And yes i do recall seeing the MTA trunk licenses for quite some time

So perhaps operations in areas like Staten Island would continue on Metro25 and being that both systems are actually linked somehow there should be no problems if there is a need to switch to other talkgroups and whatnot


Re: MRRS P25 System testing today
GTR8000, Tue Feb 18 2020, 09:54pm

As predicted, all 17 of the MTA's SY licenses have entered the termination pending status for failure to build out. If the MTA doesn't file a petition for reconsideration within 30 days, the licenses will be automatically terminated and they'll have to reapply for all of that spectrum. Seems unlikely, as they have obviously moved forward using only the state's allocation of 700 spectrum.

Re: MRRS P25 System testing today
Darkstar350, Wed Feb 19 2020, 03:35am

As with any crowded spectrum - as 700mhz becomes more and more crowded the agencies will need to make sure their freqs do not have much nearby interference/shared channels

Also im not sure if its just me but it seems that since MRRS has been on the air Metro25 has been a bit more active and better signal?


Re: MRRS P25 System testing today
LIScanner101, Wed Feb 19 2020, 05:02am



To your last point, yes, I agree, they’ve been VERY active and I have no problems picking them up in my home office in Hicksville with a PRO-668 and a Shure 700/800 duck.

Re: MRRS P25 System testing today
campd715, Sat Mar 28 2020, 04:31pm

Running DSDPlus from Southeastern CT and I'm receiving the P25 MRRS system.
Site:91FE8.26E-21.21 MTA PD Zone 1 (Nassau & Suffolk)

This system is new to me so I was looking for some insight from some of you who might be more familiar with the MTA PD so that I may be a more informed listener/contributor.

I'd like to start IDing subscriber RID's and talkgroups by assigning aliases (names) to them.

So far I've seen:
TG 9032 RID's 420xxxx range
TG 9048 RID's 420xxxx range
TG 6026 RID's 682xxxx range

Any help and/or suggestions welcomed.

Best to everyone and please stay safe.

Dennis


Re: MRRS P25 System testing today
LIScanner101, Sat Mar 28 2020, 05:36pm

Are we “allowed” to post RID’s on Phil’s site out in the open? I have thousands of RIDs I’ve accumulated from various sites and I always thought we weren’t “allowed” to share them here.

Re: MRRS P25 System testing today
campd715, Sun Mar 29 2020, 12:36pm

A follow-up to my above post.

Introduction: I've been a radio / scanner enthusiast for many years and had joined Phil's site back in 2011. I thought that this site had closed up shop a long time ago and it wasn't until yesterday when I learned differently.

Purpose of post: I'm just looking for a little assistance with the MRRS system (MTA PD) to help me get started understanding and enjoying this system as I've never monitored them before until just recently when I started receiving their CC signal for zone 1.

The following are a few questions I have:

What do the name designations mean such as: 2-ADAM, 2-CHARLIE, 2-GEORGE, 2- HENRY, etc? Does the preceding number indicate district?
Are the RID ranges separated for those assigned to mobiles and those assigned to portables?
Are they assigned their own portables or do they grab any available one from the rack?
Any assistance with identified talkgroups would be nice.

Finally, if any of this is not appropriate for public posting on this site let me know.
Please feel free to send me a private message or to my email (available in profile).

Thanks again

Dennis






Re: MRRS P25 System testing today
Dave3825us, Sun Mar 29 2020, 07:13pm

Read thru this thread here [link]

Lots of info and zone break down.

@ campd715 where are you located? Later I will look at your rid's and comment on that later . I logged a bunch for Long Island but dont have the ranges in front of me at the moment.


Re: MRRS P25 System testing today
campd715, Sun Mar 29 2020, 07:42pm

Thanks for the reply Dave.
I'm located in South Eastern CT and only recently started seeing / hearing voice traffic on their P25 system.
I will definitely check out the link you so kindly provided.

Dennis

Re: MRRS P25 System testing today
Dave3825us, Mon Mar 30 2020, 02:27am

420XXXX all seem to be what I have on 9032 for Long Island (District 2 Nassau). Middle of moving so 9048 is new to me as I have not had any sdr running for a few weeks. Hope to have rooftop antenna up real soon and get back in the game..

On tg 6026 I have a few 420XXXX and a bunch of 682XXXX. Not sure who 682XXXX belong to as of yet.







Re: MRRS P25 System testing today
LIScanner101, Mon Mar 30 2020, 04:09am

Hey,

Really sorry I’ve been off the grid last few days. Been super busy with a kitchen remodel. As soon as I get back to “the office” tomorrow I’ll dive back into this thread and make some comments on the various RIDs I’ve come across for MRRS.

Re: MRRS P25 System testing today
LIScanner101, Mon Mar 30 2020, 03:08pm



Hello and welcome to the forum!

From what I have seen, it looks like the RIDs are not tied to a single designation. This is because I have carefully documented a specific RID to a caller who identifies themselves as, say, "2 Charlie", but then I will hear the same exact designation used many other times across other RID numbers. So, as you suggested, it seems like an officer assigned to a specific district/area/what have you just grabs any radio from the rack. To me, this makes the association of a RID to a designation almost useless.

In any case, this is what I have so far from my own spreadsheet. I have added the "Unit" prefix just for kicks. This list is sorted by RID but you can dump this into an xls and sort it any way you want.

4201459 6 Sargent
4201470 Unit 6A
4201717 Unit 7E
4201734 Unit 7A
4201736 Unit 6A
4201754 Unit 1K
4201770 Unit 1A
4201776 Unit 1G
4201781 Unit 2F
4201782 Unit 13
4201783 Unit 2C
4201792 Unit 6G
4201801 Unit 16
4201805 Highway 20
4201813 Unit 7D
4201814 Unit 2A
4201831 Unit 1K
4201834 Unit 6D
4201850 Unit 2C
4201857 Unit 98
4201858 Unit 1A
4201862 Unit 1G
4201864 Unit 7E
4201865 K-9 46
4201867 Unit 6F
4201878 Unit 7D
4201891 Unit 1G
4201928 Unit 1G
4201966 K-9 38
4202608 Sargent
4204101 Unit 1K
4204155 Unit 7G
4204179 5 Bronx
4204182 Unit 7A
4204183 5 Bronx
4204190 Unit 7E
4204241 Unit 7D
4204248 Unit 6A
4204263 Unit 1F
4204273 Unit 1K
4204290 Unit 1A
4204292 Unit 6D
4204296 Unit 2A
4204302 2 Sargent
4204336 Unit 2C
4204342 Unit 2F
4204365 Unit 3C
4204367 Unit 1G
4204387 Unit 2F
4204418 6 Sargent
4204434 Unit 6A
4204447 Unit 1A
4204479 Unit 1G
4204573 7 Train Patrol
4204577 Unit 2A
4204599 Unit 6A
4204612 6 Lieutenant
4204702 Unit 6SD1
4204694 Unit 6TP1
4204714 Unit 2A
4204716 Unit 7D
4204749 Unit 6G
4204754 Unit 1G
4204770 Unit AVP1
4204911 Unit 4A
4204931 Unit 7D
4204957 Unit 6A
4204971 Unit 6G
4205025 Unit 6CR
4205045 K-9 Sargent 5
4205082 K-9 45
4205124 Unit 7DD
6229109 Operator 1
6229110 Operator 2
6229111 Operator 3
6229112 Operator 4
6820481 Unit 3J
6825082 Unit 3J
7720378 Operator 3



Re: MRRS P25 System testing today
campd715, Mon Mar 30 2020, 04:10pm

LIScanner101

Thank you very much.

This will definitely get me started. Now to continue monitoring and see what develops.
Dennis


Re: MRRS P25 System testing today
GTR8000, Tue Jul 14 2020, 07:20pm

(Crossposted from RR)

The only map of the sites for this system I could find was awful quality, very difficult to pinpoint anything. Unfortunately because all frequencies in the system are from the state's allocation, falling under a blanket SL license, they don't have to provide any site-specific details publicly. I managed to take the MTA's lousy map and overlay it onto Google maps, placing a black dot for each approximate site location. This map is provided as-is for entertainment purposes only, and is super unofficial with zero guarantee of accuracy.



Re: MRRS P25 System testing today
Dave3825us, Thu Jul 23 2020, 06:43pm

Today I am hearing NYS PD Troop L units calling into tg 5011 on MRRS. When they key up they say, "1 L XX on Metro. Then disp says go ahead 1 L xx. Just like when they key up on Suffolks trunked, they say 1 L XX on Farmingdale 800, and disp says Farmingdale 800, go ahead.

What freqs are programmed into their radios? Metro, MRRS or both?

Just curious.

Re: MRRS P25 System testing today
GTR8000, Thu Jul 23 2020, 09:23pm

There is a Metro-25 site on Creedmoor Psych Center in Queens Village, which is the further site to the east. It's possible that some Troop L units in western Nassau are on that site, but it's more probable that they're on the MRRS.

Run Unitrunker or DSD+ on either system and look for the affiliations, then you'll have a definitive answer.

Re: MRRS P25 System testing today
GTR8000, Thu Jul 23 2020, 09:46pm

I've updated the map to include the Metro-25 sites in red (there's a Metro-25 site at the Chrysler Building, as well as an MRRS at Grand Central Terminal)



Re: MRRS P25 System testing today
GTR8000, Tue Jul 28 2020, 03:30pm

A heads up to let everyone know that I will be combining the Metro-25 and MRRS into one single system in the RRDB. The two systems are too interwoven for it to make sense maintaining them as separate entries.

Re: MRRS P25 System testing today
Dave3825us, Tue Jul 28 2020, 11:23pm

What were you doing last night? Spying on me? lol I got tired of checking metro everytime a new tg showed up on MRRS so last night I added all metro tg's to MRRS in sdrtrunk and unitrunker. Now that you merged them in the db, I can just download the new tg file for dsdplus to take care of the groups file.



Re: MRRS P25 System testing today
GTR8000, Wed Jul 29 2020, 02:27am

I was originally told that they were separate systems connected via an ISSI link, however a more recent document seems to suggest that both systems share the same core. Well, two cores, as it indicates that they have a primary and secondary core in different geographical locations for redundancy.

In any event, it seems we now have potential duplication with some of the talkgroups. I'm not within range of the Metro-25 cell, so I don't know if those MTAPD talkgroups are still valid on that site. We really need someone to monitor both systems, in particular in/around NYC, and see if some of the older Metro-25 talkgroups are no longer in use.

604 D MTAPD D1/2 Dispatch
9032 T MTAPD D1/2 Dispatch

6027 D MTAPD D6/7 Dispatch
9048 T MTAPD D6/7 Dispatch

Oh and of course the FDMA/TDMA mode of each. Last I saw the Metro-25 site is carrying TDMA traffic now, but only for the newer MTAPD talkgroups, while the original talkgroups were still FDMA.

Re: MRRS P25 System testing today
Dave3825us, Tue Mar 16 2021, 01:58pm

Is anyone watching this system using sdrtrunk with trunking recorder? Just curious, I have not set any aliases for any radio id's on this system but see in trunking recorder one is being displayed.
This is the first time I have seen this and it does not do it on any other tg or rid.

When ever rid 9980115 transmits, it shows as .621.9980115 in trunking recorder but not sdrtrunk.

Any thoughts? I would think if it was a weak signal or decode error it would be happening more
often and on other tg's. I also do not know if its sdrtrunk or trunking recorder.












Re: MRRS P25 System testing today
Dave3825us, Tue Mar 16 2021, 05:12pm

Ok, Maybe it has to do with patches or patched systems. Just happened on Suffolk County site 3 between Scpd tech services and East Hampton tech services. There was a conversation between both but the same rid was used throughout the call.





Re: MRRS P25 System testing today
GTR8000, Tue Mar 16 2021, 05:16pm


It's a bug, I've seen it before. I believe it was due to a bad import with Trunking Recorder, and I had to manually edit the SQLite database to clear them out. You could probably also just alias them in SDRTrunk to clean out the Trunking Recorder database next time they key up. Maybe just make the alias the subscriber ID if you don't have an actual alias to give them.

Re: MRRS P25 System testing today
Dave3825us, Tue Mar 16 2021, 06:02pm

I can alias the Mrrs radio for sure but not sure what to do with the Suffolk ones. It was the same rid throughout the conversation. It was on site 3 and thats the site East Hampton is seen on also. I had a feeling something was not being read and also had a feeling that you would be the one with an answer. Lol

Re: MRRS P25 System testing today
GTR8000, Tue Mar 16 2021, 07:24pm

Ah, yup...I see what it is now. That prefix in the Source Label is the SysID of the other system in DEC value. Unfortunately, Denny loves to note everything in DEC even though a lot of P25 values should be in HEX, which makes a lot of stuff less obvious and often confusing.

.621.9980115 = SysID 26D (Metro25) and UID 9980115

.2431.4426100 = SysID 97F (East Hampton) and UID 4426100

Basically, it's showing you that one of the ID's is originating from the other SysID. In this case, MRRS and Metro-25 share a core, whilst Suffolk and East Hampton are linked via ISSI 8000.

As to why it's storing that in the Source Label field, that is a question for Denny and/or Jason (I'm not really sure which program is causing that).

And by the way, the system I saw the same behavior on was indeed MRRS. I never bothered to look into it further at the time, figured it was just a bug. Turns out it's actually a "feature"?

Re: MRRS P25 System testing today
Dave3825us, Tue Mar 16 2021, 10:29pm

What's interesting is that for me anyway, this happened on 2 different phase 2 systems and in both cases it was only on radios being used by radio techs.

Re: MRRS P25 System testing today
GTR8000, Tue Mar 16 2021, 11:03pm

Well, it happened on two systems that are linked with other systems, whether that's Suffolk and East Hampton linked via ISSI 8000, or MRRS and Metro-25 linked by virtue of being on the same core. It really has nothing to do with Phase II. It's simply the SysID of the foreign system being passed through. That's not new, an APX will display the WACN/SysID of the foreign subscriber or system when those sorts of transmissions come through. I've just never noticed that SDRTrunk and/or Trunking Recorder actually pays attention to it.

Re: MRRS P25 System testing today
Dave3825us, Wed Mar 17 2021, 12:57am

"an APX will display the WACN/SysID of the foreign subscriber or system when those sorts of transmissions come through."

Is that any apx or just the ones in the hands of radio techs? I assigned alias tags to each and see what happens tomorrow if those rid's have any activity. .

Re: MRRS P25 System testing today
GTR8000, Wed Mar 17 2021, 02:10am

I'm talking about any APX in general when it's operating on a network of linked P25 systems, whether that be via ISSI or by virtue of sharing the same core but having different SysID. The display will show the foreign system info along with the UID alias (or raw ID if no alias in the codeplug).

So if you're scanning MRRS 91FE8-26E and a transmission from the Troop NYC talkgroup comes across one of those cells, the APX will display 91FE8-26D along with the UID. Of course you can alias the foreign systems in the codeplug so that 91FE8-26D appears instead as "Metro-25". The same would be true for the Suffolk and East Hampton ASTRO 25 systems, whereby any transmissions coming across the ISSI to either system would indicate such on the subscriber's display.