Rebanding in Sacramento or Roseville

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bigRoN18

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Does anyone know when Roseville or Sacramento County/City will complete their rebanding? I was told that Roseville was supposed to complete the process in December, but thankfully that has not happened yet, as neither of my two scanners will be compatible with the systems after the process. As much as I want a new scanner, I don't want to actually BUY a new scanner at the moment.
 

gmclam

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Just because they reband, that alone does not mean your scanner will not work. It all depends on the specific new frequencies selected. As long as none of the new frequencies fit the format of 8xx.xxx0 MHz, the older scanners will do just fine.

I have not heard a peep about Roseville, but someone on here mentioned that Sacramento county is not likely to change anything until at least 2012.
 

dougr1252

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As of 1/13/10, Roseville has a pending application to add the following frequencies to their license:

851.2375
851.5750
851.8750
852.0500
852.1250
852.3750
852.8250
853.0500
853.3500
853.5500

This could mean that they're within a few weeks or months from making changes to their system. You will not be able to use most older scanners to trunk this system when it switches over. You can still scan the frequencies as conventional channels with any 800 MHz scanner, but that won't allow you to follow talkgroups.

Sac City / County is a long way from rebanding.
 

gmclam

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As of 1/13/10, Roseville has a pending application to add the following frequencies to their license:
You say ADD these frequencies, but it looks to me more like they will replace their existing frequencies with these new frequencies.

They don't have that much traffic to justify 10 more frequencies (unless other agencies are getting on to their system). Plus all of these frequencies are in the range of 851-853MHz.
 

dougr1252

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When an agency rebands, the new frequencies are added first via a modification to the license so they can operate control channels on new (851) and old (866) freqs at the same time as needed while they move over all the users. Once everybody is using the new control channels, then they turn off the old freqs and modify their license again to remove them. This usually takes 3-6 months to complete.

The rebanding wiki has some good links that describe how Motorola systems are being switched over when they have to be live 24/7.
 

gmclam

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Rebanding Roseville TRS

As of 1/13/10, Roseville has a pending application to add the following frequencies to their license:

This could mean that they're within a few weeks or months from making changes to their system. You will not be able to use most older scanners to trunk this system when it switches over. You can still scan the frequencies as conventional channels with any 800 MHz scanner, but that won't allow you to follow talkgroups.

Sac City / County is a long way from rebanding.
I can read this post and read between the lines to know that it is about rebanding. But there are plenty of folks here that will read this and not understand what is happening. Your post just says they are adding these frequencies, and only mentions rebanding as it applies to Sacramento county.

Your second post I think cleared it up; the process that is involved. This is about rebanding a MOT system. And because of the specific new frequencies that will be used, older scanners like the PRO-95 & PRO-97 will not trunk track it, once the rebanding is complete.
 

dougr1252

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You're right, I should have been more specific. - since Motorola is maybe 80% of what's out there, it's easy to assume that's the case. If this was EDACS, no sweat. Just reprogram.

I can read this post and read between the lines to know that it is about rebanding. But there are plenty of folks here that will read this and not understand what is happening. Your post just says they are adding these frequencies, and only mentions rebanding as it applies to Sacramento county.

Your second post I think cleared it up; the process that is involved. This is about rebanding a MOT system. And because of the specific new frequencies that will be used, older scanners like the PRO-95 & PRO-97 will not trunk track it, once the rebanding is complete.
 

dougr1252

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Sacramento (SRRCS) has 2 pending applications with the FCC to add 4 new sites to their system, and the latest rebanding date is now May 2012.
 

K6CDO

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... If this was EDACS, no sweat. Just reprogram.
OK, how is the process different with EDACS?

Every user radio still has to be touched at least twice (before and after) to update the control channels and the conventional load. Every base/repeater station has to be touched to reprogram and to change the antenna combining / filtering systems. In a simulcast network, the individual channels must be done in unison (Freq. 2 changed at all sites at the same time, for example).

Or am I missing something?
 

dougr1252

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Yes. I was talking about scanners. We're veering off-topic but I would love to hear a detailed description of how an EDACS system like BART or Oakland gets rebanded. Maybe a Wiki article?

Or am I missing something?
 

gmclam

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Four new sites!

OK, how is the process different with EDACS?
I can't speak about any differences there might be on the side of the agency doing the switching, but it would seem to be a similar process regardless of TRS type.

When it comes to scanners, the channels of a Motorola type TRS are determined by a pre-determined channel table. So when the system says "go to channel 1", the scanner looks up what frequency that is. Rebanding is changing the table, and the older scanners can not be updated.

In the case of EDACS, the user programs the frequencies in to the scanner in "logical channel order", and so there is no look up to alter.

Every user radio still has to be touched at least twice (before and after) to update the control channels and the conventional load. Every base/repeater station has to be touched to reprogram and to change the antenna combining / filtering systems. In a simulcast network, the individual channels must be done in unison (Freq. 2 changed at all sites at the same time, for example).
Yes, I believe the changes on the transmission side are similar. But thankfully, not on the scanner side.

dougr1252 said:
Sacramento (SRRCS) has 2 pending applications with the FCC to add 4 new sites to their system
FOUR new sites! Wow. Any clue as to their locations?
 

scannerboy02

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Will they be adding more frequencies as they move forward? For as large of a system as they have now they sure don't have a lot of frequencies listed in the applications I see.
 

Markinsac

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The basic information is contained in the following link:
ULS Application - Public Safety Ntl Plan, 821-824/866-869 MHz, Trunked - 0004127431 - SACRAMENTO, COUNTY OF

There is a document attached that states that the Sprint/Nextel conversion won't be completed until May of 2012. They need to stay on their current frequencies until that time, but they need to add some sites to reduce coverage issues. It appears that there are 3 sites listed right now - Citrus Heights, Rancho Murieta, and Galt. It also appears that they are adding a control point at the main Sheriff's Station downtown.

It would appear that Sacramento County won't be able to complete re-banding until mid-2012.

The attachment refers to two separate requests.
 

KMA367

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Last week the FCC granted these Roseville and Sacramento County rebanding modifications:

ULS License - PubSafty/SpecEmer/PubSaftyNtlPlan,806-817/851-862MHz,Trunked License - WPMQ537 - ROSEVILLE, CITY OF - Frequencies Summary

ULS License - PubSafty/SpecEmer/PubSaftyNtlPlan,806-817/851-862MHz,Conv License - WPHZ928 - SACRAMENTO, COUNTY OF - Frequencies Summary

Doesn't necessarily mean they'll move right away though.

As of 1/13/10, Roseville has a pending application to add the following frequencies to their license:

851.2375
851.5750
851.8750
852.0500
852.1250
852.3750
852.8250
853.0500
853.3500
853.5500

This could mean that they're within a few weeks or months from making changes to their system. You will not be able to use most older scanners to trunk this system when it switches over. You can still scan the frequencies as conventional channels with any 800 MHz scanner, but that won't allow you to follow talkgroups.

Sac City / County is a long way from rebanding.
 

K6CDO

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Last week the FCC granted these Roseville and Sacramento County rebanding modifications (snip)

Doesn't necessarily mean they'll move right away though.
Those of us who operate 800 MHz systems communicate with our fellow system operators as to schedule, problems, etc.

Doug's May 2012 date (posted 2/19) matches what I'm hearing.
 

avtarsingh

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Roseville has rebanded - appears they did it on 2-23-10

there seems to be 2 different lists - 1 has 10 channels and 1 has 11 -

above has

851.2375
851.5750
851.8750
852.0500
852.1250
852.3750
852.8250
853.0500
853.3500
853.5500


and wiki rebanding page has

Roseville - T1 851.2375
Roseville - T2 851.5750
Roseville - T3 851.7250
Roseville - T4 851.8750
Roseville - T5 852.0500
Roseville - T6 852.1250
Roseville - T7 852.3750
Roseville - T8 852.8250
Roseville - T9 853.0500
Roseville - T10 853.3500
Roseville 853.5500

freescan - bct15

i put in all the freqs under trunk freqs - and put it on mot custom/reband and then put lower freq 851.2375 and upper 853.55 and step as 12.5 i dont know what offset is -

i am pretty new on programming a scanner for a rebanding system (i can only work on rebanded systems hehe ) so i am getting the 7A3Bh sys id on 852.375 2323 local time -

i think something is missing ??
 

dougr1252

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They would like to put them here:

10059 TWIN CITIES ROAD
GALT, CA SACRAMENTO County

15675 Jackson - Sloughouse Road
Rancho Murieta, CA SACRAMENTO County

7461 GREENBACK LANE
CITRUS HEIGHTS, CA SACRAMENTO County

North City Corporation Yard
Sacramento, CA SACRAMENTO County


FOUR new sites! Wow. Any clue as to their locations?
 

avtarsingh

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ok i got it going heres what i put in - bct15 with freescan

custom rebanded mot

put in trunk freqs i put in all 11 -
851.2375
851.5750
851.7250
851.8750
852.0500
852.1250
852.3750
852.8250
853.0500
853.3500
853.5500

system band plan lower freq 851.0125 upper freq 854.0 25khz spacing offset 440


works great

the 200 $ mobile scanner comes thru again thx uniden )
 

gmclam

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Thank you for this info!!!

Roseville has rebanded - appears they did it on 2-23-10
This is so crazy!!! I was monitoring them overnight no problem. I was out of the area yesterday. And sure enough, the 10 frequencies I have had programmed all these years are dead quiet.

And because of these frequencies: 852.0500, 853.0500, 853.3500 & 853.5500; my PRO-97s and PRO-95s won't trunk track them. This is a major reason I got a PSR-300, now I guess I'll need to get another.
 
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