Noticed on the NRP Area 5 talkgroup now has Area 6 units being dispatched and operating on it also.
I don't know how MTA operates the rail side - are light rail and heavy rail (subway) considered the "Metro?"
Looks like the Area 6 TG goes dead after 5pm or so - did the same thing Friday. Maybe is a weekend staffing thing at Sandy Point.
I believe the subway is the Metro. Light rail is separate.
Can you tell what agency is getting programmed?
It is probably staffing related. I have noticed it for a week or two. I did see that they were accepting applications earlier this month for dispatchers.
As far as the OTAR/OTOP, I saw several radios in the 211xxxx, 215xxxx, 212xxxx, and a 254xxxx. It seems like it's not a fleet operation - maybe just radios that hadn't been turned on for a while, IDK. It's unusual to see the acch used for data on the AA site - usually it's on the 769 channel.
Seeing another radio to 211xxxx pretty much locked onto the acch in data mode. This is a MdTA Police unit that normally operates on the bay bridge tg. BTW, wifi updating radios is M U C H faster, and doesn't consume traffic channel resources - just sayin'...
... and requires secure wifi setup and wifi capable radios- many of the state's are pre-wifi and getting a decent wifi network set up for that sort of operation is a massive chore.
Voice always takes priority on IV&D channels anyway, even to the point of bumping off an in-progress data drop. No voice services are ever affected by mixed data in ASTRO 25.
Secure wifi, np - do it all the time. I do realize the many of the older radios on the system do not have the wifi option, but then again, new radios could / should - and the state is planning to begin replacing older radios... Hopefully Montgomery and AACo thought ahead and equipped their subscribers thusly.
KG7PBS
Member
I have one Question how do we know this was Maryland FIRST 700 Mhz TRS like the title of the thread calls it. Thanks
This thread is a stickie for the Maryland Statewide Radio System, aka FIRST.
KG7PBS
Member
Okay thanks
Did the NAC change for the Lambs Knoll site? I have it as 4A2, but it seems the RRDB has been updated to 4AF.
Please post a note in the forums if a site NAC changes. Programming of some radios can be adversely affected by an incorrect / outdated site NAC.
Please post a note in the forums if a site NAC changes. Programming of some radios can be adversely affected by an incorrect / outdated site NAC.
It was noted in this post.. Sorta.. See the posted pic by @BM82557
Maryland FIRST 700mhz TRS
Interesting. The only way I know to passively determine modulation is to look at the eye pattern. C4FM is wider than CQPSK. It's certainly not set in any parameter that can be decoded from the voice channel. While working with op25 I can categorically say you can often lock and decode a...
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There was a change to the Lambs Knoll site data in the RRDB, and that's the only thing I noticed that was different from what I had. I don't want to commit a change to my programming unless I'm sure the NAC is correct. I though I was receiving the Lambs Knoll site a few weeks ago when I was out that way, but maybe not.It was noted in this post.. Sorta.. See the posted pic by @BM82557
IDK if/when the RR DB reflected this, but it's where I got it from in order to program the site in my personal programing..Maryland FIRST 700mhz TRS
Interesting. The only way I know to passively determine modulation is to look at the eye pattern. C4FM is wider than CQPSK. It's certainly not set in any parameter that can be decoded from the voice channel. While working with op25 I can categorically say you can often lock and decode a...forums.radioreference.com
BM82557
Member
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Do you know what changed in the RRDB? It shows recently updated. The only thing I saw changed was the NAC from my perspective.
Looking further, my Sentinel programming reflects 4AF as the NAC, but Unitrunker still shows 4A2 - but apparently I haven't logged into the Lambs Knoll site since August 2018, which probably explains it, lol. Still like to know what was updated.
Looking further, my Sentinel programming reflects 4AF as the NAC, but Unitrunker still shows 4A2 - but apparently I haven't logged into the Lambs Knoll site since August 2018, which probably explains it, lol. Still like to know what was updated.
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BM82557
Member
Neighbor list to add site 1.28
It does appear that "Cherrytown Chicken ASR" is live. It is NAC 4A4, 1.4, 774.56875 is the CC. Only data.. no SCC listings as yet
Nice. Please watch the site and report when it starts carrying routine voice traffic.
