STARS and the PSR-500

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fmon

Silent Key Jan. 14, 2012
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Lynn and Aaron,

I'm currently setup on STARS as P25 VHF auto. I have Multi Site selected and only the current CC's of Hampton and Chesapeake - that is one frequency each. The reason for only current CC's is because the "T" upper left is only on during active prosecution of a Control. When alt controls were programed, the T seemed to be off slightly longer and sometimes would cause a slight miss at the beginning of traffic. (s meter collapsed further also)

It appears to get much more Div 5 channels 49 and 51 traffic then the 96/2096, though sill misses some.
 

LEH

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Frank,

I've noticed that too. I tried changing the threshold and that really doesn't seem to have helped, but I'm not done 'experimenting'.

I have the control channels (and alts) for Hampton, Williamsburg and Chesapeake loaded. I'm going to head up toward Williamsburg in a few just to see what happens. STARS seemed to work better for me there than here.
 

rvawatch

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Is anyone else finding it obnoxious that the scanner doesnt have sub groups or anything? kinda like the 396? are you guys putting all of the stars talkgroups in one scanlist or breaking them up between different scanlists? I sometimes like to hear all the stars talkgroups, then sometimes just want to hear richmond area state police. It seems difficult to change back and forth.

Also, when you input the freqs, are you are putting all the sites into the same SYS object? I figd thats what we are supposed to do, and set it for roam or whatnot.


Lastly, I've just been setting stars up using p25 auto... anyone know what we really should be doing?

Thanks
 

LEH

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rvawatch,

When I set up my STARS, I put the nearest control channels (for me Hampton, Williamsburg, and Chesapeake) into a single system. I then set the multi-system to roam and adjusted the threshold values.

I also set the custom table, but others have said the scanner will automatically do this for true P-25 systems. So if you are getting good reception, I'd leave things alone. Otherwise, I'd set the custom table that is shown in the database.
 

fmon

Silent Key Jan. 14, 2012
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here's something interesting.

I have STARS set to P25 Auto and loaded the scanner to both Win500 and PSREdit. The tables produced by the CC is pictured below.

Edit: pressed submit button to quick. Now attached

O'l Mike's Pro96Com has been telling us this for quite some time. BTW, in PSR I had to change System Type to P28 Manual to unlock the Table editor. Win500 did not distinguished any difference.

Both softwares are coming alone nicely.
 
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rdballenger

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STARS in Northern Virginia

I saw one reference that STARS will be operational in NoVA in October 2008. What frequencies do the Virginia State Police use in NoVA now?
 

fmon

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Division 7 "Fairfax"
4. 159.135 167.9
7. 159.000 127.3

Division 2 "Culpeper"
3. 159.165 127.3
11. 158.985 167.9
 

LEH

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I've been playing with my 500 off and on, more off than on until upgrade appears. Anyway, I noticed that for my STARS system, I am no longer seeing a "T" when the scanner goes through that scanlist.

I went into the TSYS analyz mode and the control channel is taking up to five minutes to show anything and more often than not, it is showing a "VC" with some off the wall TGID. When the CC does display CC info, the decode rate is pathetic, no more than 10%.

Is anyone else experiencing these 'difficulties'?
 

fmon

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Lynn,

Had a dental appointment in Tabb this afternoon so loaded 28 controls/alts in one TSYS using scan list 1. Multi Site is off. T all the way and Never lost the Hampton tower and had normal coms (Div 5) both directions using stock antenna. Sitting here I need Att on due to PC radiation unless I hook to external Scantanna.

BTW, reason for the 28 CC/Alt's is for a file when taking a trip to WV either on I-64 from NN or out on US-460 to Bedford and up BRPW to Buena Vista/Lexington. I think if the full trip was used, I would set to Roam.

Edit: a third route is also in the scanner which goes out on 460 and up to I-64 via the new bypass in Chesterfield County. Hate driving NN & Richmond.
 
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n4jri

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Lynn, what kind of readings are you getting on the PRO96? I assume you're tuned to the Williamsburg tower. Even if your decode rate were 40%, I think that multisite would be killing your reception. If you shut off multisite like Frank did, you still have the equivalent of 'roam' mode, except there is no trigger to shut out an unsatisfactory site.

During testing, I also felt like I lost a lot of "T" time--particularly while mobile. STARS is a tough test for this feature because the multipacket thing deflates the percentages so badly. If you're in a fringe area or subject to a lot of QRM, the radio might never be truly satisfied with a CC. It works great between Richmond and Petersburg, but signal strengths are pretty good along I-95.

73/Allen (N4JRI)
 

LEH

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Alan,

No, I am closer to the Hampton tower than Williamsburg. The 96 is showing between 60 and 70%. The 500, when it finally shows CC info, is showing about 10% or less. Display of the CC data can take up to five minutes just stopped on the frequency.

I think I have found part of the problem. The software has STARS set for MOT VHF/UHF, I changed it to P25 Auto, but I am still not seeing the "T" when the system scans. However, when I do an analyze of the TSYS, I am getting about 70% decode, but it still takes upwards of 15 seconds to show the data.
 

fmon

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Upgrade may be backwards

Though this upgrade may be backwards but DSP U0.1 may be forward with CPU F1.0. I used both upgrades and found little improvement on any thing, Chesapeake was worse (no voice at all) as was the UHF NOB site (missed some voice traffic). However, reverting back to CPU F1.0, and staying with DSP U0.1, STARS seems to improve. More Div 5 hits on this scanner without traffic on either the 2096 or 96 and even with no traffic on Legacy freqs. The three GRE scanners match fairly well with Div 1 talkgroups and Region 1 Law traffic. Still room for STARS improvement but it appears to work better with STAT rather then Multisite Off.

Chesapeake M36 mixed is still worse with DSP upgrade only but NOB is back to normal. I don't seem to get VA Beach system as well with this change either though the decode rate is lower due to distance form towers.
 

fmon

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Chesapeake working perfect

Folks, let me apologize regarding Chesapeake M36. I changed the system yesterday to splinter for testing. :roll: Didn't work but forgot to change it back. Just now did so and Chesapeake with DSP U0.1 is working perfect (keep CPU F1.0). :) :cool: Get the upgrade pc-medic.
 

n4jri

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LEH said:
I think I have found part of the problem. The software has STARS set for MOT VHF/UHF, I changed it to P25 Auto, but I am still not seeing the "T" when the system scans. However, when I do an analyze of the TSYS, I am getting about 70% decode, but it still takes upwards of 15 seconds to show the data.

70% is pretty good for STARS. I've never had more than 74% on the PRO-96. I want to say I got some better percentages on the 500 test radio but not drastically better.

You should definitely be in P25 Auto, but what are your multisite settings right now?

73/Allen (N4JRI)
 

fmon

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n4jri said:
70% is pretty good for STARS. I've never had more than 74% on the PRO-96. I want to say I got some better percentages on the 500 test radio but not drastically better.

You should definitely be in P25 Auto, but what are your multisite settings right now?

73/Allen (N4JRI)
Lynn, my PC generates interference so I use Att and get two CC much better, I've also set the noise threshold to 45 from 20. Getting nearly all traffic (about 95-97%) from start to finish. Also on STAT. Gonna make a run up the road soon so will test it with 800 ducky with these settings.

Edit. I quoted the wrong person. Sorry
 

LEH

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Frank,

I set the att to on for my STARS and the decode goes from mid to upper 70's to 60% almost immediate drop.

Correct me if I am wrong, but the threshold is only available with ROAM and not STAT.

Am I missing something?

Allen, when I had the wrong setting for the STARS system, I was only getting like 10% or less.
 

fmon

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LEH said:
Frank,

I set the att to on for my STARS and the decode goes from mid to upper 70's to 60% almost immediate drop.
You will need to stay off of Att. I don't use it much away from this machine.

Correct me if I am wrong, but the threshold is only available with ROAM and not STAT.
Correct. However, if I change to ROAM, the hi lo values that are in my scanner work better then default values.

Allen, when I had the wrong setting for the STARS system, I was only getting like 10% or less.
He he, you deserve what ya got. :twisted:
 

n4jri

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WHICH threshold are we talking about

Frank, it sounds like you are increasing your noise threshold (from Super Expert Global System Menu) from a default of 20 to 45. I assume that this was in response to Craig's suggestion.

Lynn, you sound like you're referring to the hi/lo RSSI thresholds in Multisite roam mode, from the TSYS menu.

Could we clarify this issue? The GRE guys may get some good insights from it. I wish that I could be more helpful myself, but my radio is still two weeks away.

73/Allen (N4JRI)
 
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