Need Help finding info on a Capacity Plus system in allegheny County PA.

[Mogley]

Hello guys, I'm fairly new here. I found five frequencies that DSD+ is saying are capacity plus signals. They transmit about every 10 seconds with data for about one second. I have heard one conversation on there and it was some bus talk (Not sure if School or Public Transit.) I've tried using the FCC database on the 5 frequencies as well as digitalfrequencysearch.com. The results are what confuses me. Some frequencies belong to a radio distributer BUT all 4 DO NOT show up in the frequency tab of the FCC license (Which is confusing me and causing me to post this thread) The frequencies are as shown below.

463.625, 463.7625 (http://wireless2.fcc.gov/UlsApp/UlsSearch/license.jsp?licKey=1609346) Westcom Wireless INC

463.925 (3 different licenses, none Westcom) WNCY371, WQNM372 and WQWF290

464.725 (Neighboring County Washington (Real close to my house btw) WNDA828)

464.85 (Two different licenses, WQGL708 and WQTX718)


So im super confused why I cant find out who actually operates this system. Because for example The Meadows Racetrack and Casino Trunking System, Washington, Pennsylvania (Meadows racetrack and casino) has all of their capacity plus frequencies on the FCC database inside of the frequency tab.

See screenshot for SDR# frequencies.


If someone could please give me some assistance, I would absolutely be enlightened


Thanks.

 

[Whiskey3JMC]

Stay on any given frequency for a bit, do they ID their callsign?

 

[mtindor]

The bigger question is are you absolutely sure they are Capacity Plus?

If so, you should provide:

frequency: Site ID and (any neighbors if listed) for any freq that that DSDPlus absolutely says is a Cap+ freq

Remember, if DSDPlus just shows DMR, that is a conventional DMR freq. If it is showing Cap+ it's going to show some more information.

 

[Mogley]

Stay on any given frequency for a bit, do they ID their callsign?

I will take a look. And try to record the callsign if it transmits.

 

[Mogley]

I also am picking this one up as well but can't seem to find ANY other frequencies on this either

 

[Mogley]

View attachment 131609

I also am picking this one up as well but can't seem to find ANY other frequencies on this either

This one seems to be transmitting a beacon every 2 seconds.

 

[mtindor]

View attachment 131609

I also am picking this one up as well but can't seem to find ANY other frequencies on this either

And what frequency was that? You really have to provide ALL of the data in one post

 

[Mogley]

The bigger question is are you absolutely sure they are Capacity Plus?

If so, you should provide:

frequency: Site ID and (any neighbors if listed) for any freq that that DSDPlus absolutely says is a Cap+ freq

Remember, if DSDPlus just shows DMR, that is a conventional DMR freq. If it is showing Cap+ it's going to show some more information.

yes this is capacity plus, I got a screenshot of DSD+ saying "Cap+" with a rest channel.

And every time someone talks I hear a BEEP like its a ham radio repeater beep.

 

[Whiskey3JMC]

If I were to wager a guess based on the screenshot above I'd assume two different stations on the same frequency. The two talkgroups shown differ very much from one another. One station may be CAP+ (assuming TG 3592) and the second station conventional (TG 16777199, DMR one-frequency)? DSD+ typically takes a few transmissions without any intermod from a station on the same frequency to update but this can also be achieved on DSD+ FastLane by choosing CONTROL > DISCARD CURRENT SYSTEM INFO to be absolutely sure

 

[Mogley]

And what frequency was that? You really have to provide ALL of the data in one post

464.3875 with a CC of 5

 

[Mogley]

If I were to wager a guess based on the screenshot above I'd assume two different stations on the same frequency. The two talkgroups shown differ very much from one another. One station may be CAP+ (assuming TG 3592) and the second station conventional (TG 16777199, DMR one-frequency)? DSD+ typically takes a few transmissions without any intermod from a station on the same frequency to update but this can also be achieved on DSD+ FastLane by choosing CONTROL > DISCARD CURRENT SYSTEM INFO to be absolutely sure

Hello, I will clear DSD+ and restart the program to get accurate results.

 

[Whiskey3JMC]

Hello, I will clear DSD+ and restart the program to get accurate results.

Great. Next time the 16777199 TG comes up, clear it and see if you get a different DCC

 

[Mogley]

Update: Only 3 frequencies are constantly sending data,

463.625, 464.7125, 464.8

ALL 3 frequencies, DSD+ says its CAP+ with a color code of 11.

I will wait for someone to speak again and see what comes up

 

[mtindor]

One note about DSDPlus. When you switch frequencies, the easy way to "clear everything" is to just press "D" when focused on the DSDplus window. That will remove any active data in DSDPlus about the previous frequency you are monitoring and essentially "zero out" things. If you are jumping frequencies a lot to find stuff, you will want to use that feature.

For the CC 11 freqs, here is the system you are likely monitoring:

Advanced Communications Trunking System, New Kensington, Pennsylvania

Advanced Communications Trunking System Profile

www.radioreference.com

However, in the database it is not listed as Cap+. It's listed as networked DMR (and would just show up as "DMR" in DSDPlus with a color code of 11).

If you use "D" in DSDPlus to disregard after tuning to the CC 11 frequencies and then they continue to show up as Cap+, then I'd venture to say Advanced Communications converted some portion of what is listed in the DB link above to Cap+.

 

[Whiskey3JMC]

463.625, 464.7125, 464.8

ALL 3 frequencies, DSD+ says its CAP+ with a color code of 11.

OK so for these we'll assume one frequency is Ch 1 & 2 (each channel = 1 slot on same frequency, 2 slots per frequency). Another frequency Ch 3 & 4 and the third frequency Ch 5 & 6. Next time you encounter data bursts (rest channel), keep an eye on DSD+ channel activity window and this will tell you which channel pair the frequency is. In my example below, the rest channel is Ch 5 which is slot 1 on the given frequency. slot 2 on same frequency would be Ch 6



So hypothetically if 463.625 shows as Ch 1 (or 2) and 464.7125 shows as Ch 3 (or 4) and 464.800 shows as Ch 5 (or 6) all with the same DCC & you observe the same talkgroups on each frequency then this would be enough evidence that they're all the same station

 

[Mogley]

One note about DSDPlus. When you switch frequencies, the easy way to "clear everything" is to just press "D" when focused on the DSDplus window. That will remove any active data in DSDPlus about the previous frequency you are monitoring and essentially "zero out" things. If you are jumping frequencies a lot to find stuff, you will want to use that feature.

For the CC 11 freqs, here is the system you are likely monitoring:

Advanced Communications Trunking System, New Kensington, Pennsylvania

Advanced Communications Trunking System Profile

www.radioreference.com

However, in the database it is not listed as Cap+. It's listed as networked DMR (and would just show up as "DMR" in DSDPlus with a color code of 11).

If you use "D" in DSDPlus to disregard after tuning to the CC 11 frequencies and then they continue to show up as Cap+, then I'd venture to say Advanced Communications converted some portion of what is listed in the DB link above to Cap+.

Aah ok thanks. I was only looking for "Cap+"

What about the beacon thing I was bringing up earlier with cap+ with a DCC of 5? I looked that one up and got results for "Pittsburgh glass" or something like that. Can't find any transmissions on any other frequencies tho

 

[Whiskey3JMC]

What about the beacon thing I was bringing up earlier with cap+ with a DCC of 5?

This is the rest channel I referred to in Post #15 (data burst every few seconds)

 

[mtindor]

Aah ok thanks. I was only looking for "Cap+"

What about the beacon thing I was bringing up earlier with cap+ with a DCC of 5? I looked that one up and got results for "Pittsburgh glass" or something like that. Can't find any transmissions on any other frequencies tho

All I can say is that there is always a chance that what is in the DB is simply wrong. It usually is accurate when first entered, but things change over time.

In your area (and given what your likely coverage is -- seems pretty good), there are so many Cap+ systems around, or at least so many possibilities for a Cap+ system to exist that isn't documented in the DB, that it's going to be confusing. You'll just have to start doing a lot of documenting.

 

[Mogley]

Ok with everyone's input, I completely reset dsd+ so I'm safe to say that the 3 frequencies belong to the system the admin mentioned. Now I'm going to focus on that beacon frequency.

 

[Mogley]

Ok with everyone's input, I completely reset

This is the rest channel I referred to in Post #15 (data burst every few seconds)

Hello So ive noticed with that beacon channel, I HAVE heard conversations on that channel and the rest seems to alternate between SL 1 and 2 after a conversation.


so, Is it possible for a capacity plus system to only have ONE repeater?