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MPT system in Mohegan Sun Casino

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SCPD

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I'm trying to work out the band plan for this MPT system.

The left column are the frequencies currently listed in the RR DB.
The middle column is the actual MPT channel number from the control channel.
The right column is my best-guess computed frequency using ...

Base=935.0 Step=12.5khz Offset=1

935.1500, ?, ?????????
935.7000, 57, 935.7000
936.2125, ?, ?????????
?????????, 92, 936.1375
936.6625, ?, ?????????
937.1625,174, 937.1625
?????????,237, 937.9500
938.2000,257, 938.2000
?????????,292, 938.6375
?????????,314, 938.9125
939.2125,338, 939.2125

935.15 Mhz is the control channel. I didn't catch the channel number for it so I'm not too worried over that. The other channels seem to line up - except for four. They aren't listed in the RR DB. Either (a) they are missing from the DB or (b) they are input channels.

Can someone confirm either (a) or (b) above - or suggest an option (c) ??

-rick
 
Last edited:

cg

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I can make a trip down there.
Can I do it with the Unitrunker ...27? if not which program do I need to run?

chris
 

oilmillcharlie

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cg said:
I can make a trip down there.
Can I do it with the Unitrunker ...27? if not which program do I need to run?

chris
Chris,

I use Trunkview using the Base, offsets and control channel discussed above. I can e-mail you a log file if you are interested.

B.K.
 

cg

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I was just looking to get Rick the info he needed. If he has all that can be gathered by a trip down there thats great, if not I am willing to go. I usually don't try to listen to them while I am there.

chris
 

SCPD

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cg said:
Can I do it with the Unitrunker ...27?
Thanks Chris. I wouldn't recommend that version for MPT. It's useful for verifying your set-up for decoding MPT but not much else. Future versions will perform much better. For this thread, I want to confirm the channel data in the RR database.

oilmillcharlie said:
I use Trunkview using the Base, offsets and control channel discussed above. I can e-mail you a log file if you are interested.
Thanks BK. That's a good sign. Yeah, if you can post the channel information as logged by TV - that would be great to have. If it differs from the RR DB and you're able to verify the voice channels - you may want to submit the data to update the database.

-rick
 

oilmillcharlie

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Here is what I logged. The CC may have changed to ch 174 937.1625 haven't hooked it up to verify but it sounds that way. Also a partial copy of the log follows.

935.0000 1 Base
935.1500 13 CC
935.7125 58
935.7375 60
936.1375 92
936.6625 134
937.1625 174
937.9500 237
938.2000 257
938.6375 292
938.9125 314
939.2125 338
939.6375 372

11:44 - GTC | Go To Channel Voice | ( 0) Org: 1508 Tar: 6041
| Ch: 237 Freq: 937.9500 MHz
11:44 - GTC | Go To Channel Voice | ( 0) Org: 1508 Tar: 6041
| Ch: 237 Freq: 937.9500 MHz
11:44 - GTC | Go To Channel Voice | ( 0) Org: 2362 Tar: 6086
| Ch: 174 Freq: 937.1625 MHz
11:44 *************************** Protocol Decoder ***************************
SYS 0x0051 | Mohegan | CCh-Frequency: 935.1500 MHz
******************************************************************************
11:45 - GTC | Go To Channel Voice | ( 0) Org: 1508 Tar: 6041
| Ch: 292 Freq: 938.6375 MHz
11:45 - GTC | Go To Channel Voice | ( 0) Org: 4995 Tar: 6088
| Ch: 314 Freq: 938.9125 MHz
11:45 - GTC | Go To Channel Voice | ( 0) Org: 1543 Tar: 6043
| Ch: 174 Freq: 937.1625 MHz
11:45 - GTC | Go To Channel Voice | ( 0) Org: 423 Tar: 6002
| Ch: 237 Freq: 937.9500 MHz
11:45 - GTC | Go To Channel Voice | ( 0) Org: 4621 Tar: 6087
| Ch: 257 Freq: 938.2000 MHz
11:45 - GTC | Go To Channel Voice | ( 0) Org: 4598 Tar: 6087
| Ch: 257 Freq: 938.2000 MHz
11:45 - GTC | Go To Channel Voice | ( 0) Org: 2405 Tar: 6088
| Ch: 314 Freq: 938.9125 MHz
11:46 - GTC | Go To Channel Voice | ( 0) Org: 4614 Tar: 6087
| Ch: 372 Freq: 939.6375 MHz
11:47 - GTC | Go To Channel Voice | ( 0) Org: 1362 Tar: 6041
| Ch: 257 Freq: 938.2000 MHz
11:48 - GTC | Go To Channel Voice | ( 0) Org: 1362 Tar: 6041
| Ch: 257 Freq: 938.2000 MHz
11:48 - GTC | Go To Channel Voice | ( 0) Org: 1574 Tar: 6041
| Ch: 314 Freq: 938.9125 MHz
11:48 - GTC | Go To Channel Voice | ( 0) Org: 1574 Tar: 6041
| Ch: 314 Freq: 938.9125 MHz
11:49 - GTC | Go To Channel Voice | ( 0) Org: 263 Tar: 6002
| Ch: 257 Freq: 938.2000 MHz
11:49 - GTC | Go To Channel Voice | ( 0) Org: 1218 Tar: 6032
| Ch: 314 Freq: 938.9125 MHz
11:49 - GTC | Go To Channel Voice | ( 0) Org: 1487 Tar: 6041
| Ch: 237 Freq: 937.9500 MHz
11:49 - GTC | Go To Channel Voice | ( 0) Org: 1444 Tar: 6043
| Ch: 257 Freq: 938.2000 MHz
11:49 - GTC | Go To Channel Voice | ( 0) Org: 1591 Tar: 6042
| Ch: 292 Freq: 938.6375 MHz
11:49 - GTC | Go To Channel Voice | ( 0) Org: 243 Tar: 6002
| Ch: 174 Freq: 937.1625 MHz
11:49 - GTC | Go To Channel Voice | ( 0) Org: 1801 Tar: 6044
| Ch: 257 Freq: 938.2000 MHz
11:49 - GTC | Go To Channel Voice | ( 0) Org: 1801 Tar: 6044
| Ch: 257 Freq: 938.2000 MHz
11:49 - GTC | Go To Channel Voice | ( 0) Org: 1131 Tar: 6032
| Ch: 314 Freq: 938.9125 MHz
11:49 - ACKK | General acknowledgement | ( 0) Org: 1531 Tar: 6042
11:49 - ACKV | Acknowledge, unit unavailable | ( 0) Org: 1615 Tar: 6043
11:50 - GTC | Go To Channel Voice | ( 0) Org: 1131 Tar: 6032
| Ch: 314 Freq: 938.9125 MHz
11:50 - GTC | Go To Channel Voice | ( 0) Org: 4602 Tar: 6087
| Ch: 257 Freq: 938.2000 MHz
11:50 - GTC | Go To Channel Voice | ( 0) Org: 1615 Tar: 6043
| Ch: 314 Freq: 938.9125 MHz
11:50 - GTC | Go To Channel Voice | ( 0) Org: 1615 Tar: 6043
| Ch: 314 Freq: 938.9125 MHz
11:50 - GTC | Go To Channel Voice | ( 0) Org: 2385 Tar: 6032
| Ch: 292 Freq: 938.6375 MHz
11:50 - GTC | Go To Channel Voice | ( 0) Org: 1131 Tar: 6032
| Ch: 257 Freq: 938.2000 MHz
11:50 - GTC | Go To Channel Voice | ( 0) Org: 1517 Tar: 6042
| Ch: 174 Freq: 937.1625 MHz
11:50 - GTC | Go To Channel Voice | ( 0) Org: 1131 Tar: 6032
| Ch: 257 Freq: 938.2000 MHz
11:50 - GTC | Go To Channel Voice | ( 0) Org: 1615 Tar: 6043
| Ch: 314 Freq: 938.9125 MHz
11:52 - GTC | Go To Channel Voice | ( 0) Org: 2956 Tar: 6086
| Ch: 372 Freq: 939.6375 MHz
11:52 - GTC | Go To Channel Voice | ( 0) Org: 3065 Tar: 6050
| Ch: 58 Freq: 935.7125 MHz
11:52 - GTC | Go To Channel Voice | ( 0) Org: 1468 Tar: 6041
| Ch: 257 Freq: 938.2000 MHz
11:53 - GTC | Go To Channel Voice | ( 0) Org: 3065 Tar: 6050
| Ch: 237 Freq: 937.9500 MHz
11:53 - GTC | Go To Channel Voice | ( 0) Org: 2895 Tar: 6096
| Ch: 292 Freq: 938.6375 MHz
11:53 - GTC | Go To Channel Voice | ( 0) Org: 3062 Tar: 6049
| Ch: 338 Freq: 939.2125 MHz
11:53 - GTC | Go To Channel Voice | ( 0) Org: 132 Tar: 6001
| Ch: 314 Freq: 938.9125 MHz
11:53 - GTC | Go To Channel Voice | ( 0) Org: 132 Tar: 6001
| Ch: 314 Freq: 938.9125 MHz
11:53 - GTC | Go To Channel Voice | ( 0) Org: 423 Tar: 6002
| Ch: 174 Freq: 937.1625 MHz
11:53 - GTC | Go To Channel Voice | ( 0) Org: 4956 Tar: 6088
| Ch: 257 Freq: 938.2000 MHz
11:53 - GTC | Go To Channel Voice | ( 0) Org: 2895 Tar: 6096
| Ch: 292 Freq: 938.6375 MHz
11:54 - GTC | Go To Channel Voice | ( 0) Org: 2362 Tar: 6086
| Ch: 314 Freq: 938.9125 MHz
11:55 - GTC | Go To Channel Voice | ( 0) Org: 4976 Tar: 6088
| Ch: 292 Freq: 938.6375 MHz
11:56 - GTC | Go To Channel Voice | ( 0) Org: 706 Tar: 6019
| Ch: 92 Freq: 936.1375 MHz
11:56 - GTC | Go To Channel Voice | ( 0) Org: 706 Tar: 6019
| Ch: 92 Freq: 936.1375 MHz
11:56 - GTC | Go To Channel Voice | ( 0) Org: 3312 Tar: 6079
| Ch: 292 Freq: 938.6375 MHz
11:56 - GTC | Go To Channel Voice | ( 0) Org: 3312 Tar: 6079
| Ch: 292 Freq: 938.6375 MHz
11:56 - GTC | Go To Channel Voice | ( 0) Org: 4967 Tar: 6088
| Ch: 257 Freq: 938.2000 MHz
11:56 - GTC | Go To Channel Voice | ( 0) Org: 4967 Tar: 6088
| Ch: 257 Freq: 938.2000 MHz
11:56 - GTC | Go To Channel Voice | ( 0) Org: 1363 Tar: 6042
| Ch: 237 Freq: 937.9500 MHz
11:56 - GTC | Go To Channel Voice | ( 0) Org: 1363 Tar: 6042
| Ch: 237 Freq: 937.9500 MHz
11:57 - GTC | Go To Channel Voice | ( 0) Org: 927 Tar: 6014
| Ch: 92 Freq: 936.1375 MHz
11:57 - GTC | Go To Channel Voice | ( 0) Org: 98 Tar: 6001
| Ch: 237 Freq: 937.9500 MHz
11:57 - GTC | Go To Channel Voice | ( 0) Org: 1468 Tar: 6041
| Ch: 237 Freq: 937.9500 MHz
11:57 - GTC | Go To Channel Voice | ( 0) Org: 1562 Tar: 6043
| Ch: 257 Freq: 938.2000 MHz
11:57 - GTC | Go To Channel Voice | ( 0) Org: 1562 Tar: 6043
| Ch: 257 Freq: 938.2000 MHz
11:57 - GTC | Go To Channel Voice | ( 0) Org: 705 Tar: 6018
| Ch: 92 Freq: 936.1375 MHz
11:58 - GTC | Go To Channel Voice | ( 0) Org: 1562 Tar: 6043
| Ch: 257 Freq: 938.2000 MHz
11:58 - GTC | Go To Channel Voice | ( 0) Org: 423 Tar: 6002
| Ch: 174 Freq: 937.1625 MHz
11:58 - GTC | Go To Channel Voice | ( 0) Org: 423 Tar: 6002
| Ch: 174 Freq: 937.1625 MHz
11:59 - GTC | Go To Channel Voice | ( 0) Org: 1803 Tar: 6043
| Ch: 174 Freq: 937.1625 MHz
11:59 - GTC | Go To Channel Voice | ( 0) Org: 1557 Tar: 6042
| Ch: 314 Freq: 938.9125 MHz
12:00 - GTC | Go To Channel Voice | ( 0) Org: 4566 Tar: 6087
| Ch: 372 Freq: 939.6375 MHz
 

SCPD

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oilmillcharlie said:
Here is what I logged. The CC may have changed to ch 174 937.1625 haven't hooked it up to verify but it sounds that way. Also a partial copy of the log follows.
Thanks BK. That's more than what is currently in the database (& answers my question). If you are able to verify these (I'm too far away) you may want to submit them to the RR DB.

-rick
 

oilmillcharlie

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rfmobile said:
Thanks BK. That's more than what is currently in the database (& answers my question). If you are able to verify these (I'm too far away) you may want to submit them to the RR DB.

-rick
Didn't I read here that Chris was having problem with D/B Admin. not correctly posting his trunking data???

B.K.
 

cg

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It has been corrected. Some of the posted info was FCC data dump without understanding how the trunk system in question worked.

chris
 

EricCottrell

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Hello,

Off Topic, but anyone who is down in the SE Ct area near the Casino please try to copy the MPT-1327 systems on 451.9625 and 452.2625 as well. I got surprised last May when I came across them during lift conditions. Likely some distance away in Cranston, RI and Exeter, RI but you never know. There could also be another system closer to CT on UHF.

A rare trunked radio system type in the US but Southern New England has at least three!

73 Eric
 

campd715

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Eric,

I gave 452.2625 a go and all it displayed was:

sys:0x0089

Then the following two lines repeated over & over. No voice heard.

-Bcast:registration parameters
-Bcast:call maintenance

Dennis
 

EricCottrell

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campd715 said:
Eric,

I gave 452.2625 a go and all it displayed was:

sys:0x0089

Then the following two lines repeated over & over. No voice heard.

-Bcast:registration parameters
-Bcast:call maintenance

Dennis
Hello,

Thanks. It is likely a business system that is only active during weekdays. The great thing about casinos is they are 24/7 or close to it. If you can hear it in CT then it must be in RI or Eastern CT.

73 Eric
 
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