GLONASS SCC

                   1.STATUS Information Group
 
                  GLONASS Constellation Status
                       (February 23, 2020)
 
|GLONASS|Cosmos|Plane/|Frequ.|   Launch   |   Intro    |  Status   |  Outage    |
|number |number| slot |chann.|    date    |    date    |           |    date    |
|-------|------|------|------|------------|------------|-----------|------------|
|  730  | 2456 | 1/01 |   1  | 14.12.2009 | 30.01.2010 | operating | .......... | 
|  747  | 2485 | 1/02 |  -4  | 26.04.2013 | 04.07.2013 | operating | .......... | 
|  744  | 2476 | 1/03 |   5  | 04.11.2011 | 08.12.2011 | operating | .......... | 
|  759  | 2544 | 1/04 |   6  | 11.12.2019 | 03.01.2020 | operating | .......... | 
|  756  | 2527 | 1/05 |   1  | 17.06.2018 | 29.08.2018 | operating | .......... | 
|  733  | 2457 | 1/06 |  -4  | 14.12.2009 | 24.01.2010 | operating | .......... | 
|  745  | 2477 | 1/07 |   5  | 04.11.2011 | 18.12.2011 | operating | .......... | 
|  743  | 2475 | 1/08 |   6  | 04.11.2011 | 20.09.2012 | operating | .......... | 
|  702  | 2501 | 2/09 |  -2  | 01.12.2014 | 15.02.2016 | operating | .......... | 
|  723  | 2436 | 2/10 |  -7  | 25.12.2007 | 22.01.2008 | operating | .......... | 
|  753  | 2516 | 2/11 |   0  | 29.05.2016 | 27.06.2016 | operating | .......... | 
|  758  | 2534 | 2/12 |  -1  | 27.05.2019 | 22.06.2019 | operating | .......... | 
|  721  | 2434 | 2/13 |  -2  | 25.12.2007 | 08.02.2008 | operating | .......... | 
|  752  | 2522 | 2/14 |  -7  | 22.09.2017 | 16.10.2017 | operating | .......... | 
|  757  | 2529 | 2/15 |   0  | 03.11.2018 | 27.11.2018 | operating | .......... | 
|  736  | 2464 | 2/16 |  -1  | 02.09.2010 | 04.10.2010 | operating | .......... | 
|  751  | 2514 | 3/17 |   4  | 07.02.2016 | 28.02.2016 | operating | .......... | 
|  754  | 2492 | 3/18 |  -3  | 24.03.2014 | 14.04.2014 | operating | .......... | 
|  720  | 2433 | 3/19 |   3  | 26.10.2007 | 25.11.2007 | operating | .......... | 
|  719  | 2432 | 3/20 |   2  | 26.10.2007 | 27.11.2007 | operating | .......... | 
|  755  | 2500 | 3/21 |   4  | 14.06.2014 | 03.08.2014 | operating | .......... | 
|  731  | 2459 | 3/22 |  -3  | 02.03.2010 | 28.03.2010 | operating | .......... | 
|  732  | 2460 | 3/23 |   3  | 02.03.2010 | 28.03.2010 | operating | .......... | 
|  735  | 2461 | 3/24 |   2  | 02.03.2010 | 28.03.2010 | unusable  | 21.11.2019 | 
|  701  | 2471 | 3/26 |  -6  | 26.02.2011 | .......... | unusable  | .......... | 
|  716  | 2425 | 2/27 |      | 25.12.2006 | .......... | unusable  | 24.11.2018 | 
|  717  | 2426 | 2/28 |  -7  | 25.12.2006 | 02.04.2007 | unusable  | 01.08.2019 | 
|  742  | 2474 | 1/29 |   6  | 02.10.2011 | 25.10.2011 | unusable  | 27.12.2019 | 
|-------|------|------|------|------------|------------|-----------|------------|

Note: All the dates (DD.MM.YY) are given at Moscow Time (UTC+0300)

                2.SUMMARY Information Group
 
SUBJ:GLONASS STATUS  February 23, 2020 
1.SATELLITES, PLANES, SLOTS AND CHANNELS

| Plane  1/slot | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 29 |
|       Channel |  1 | -4 |  5 |  6 |  1 | -4 |  5 |  6 |  6 |
|---------------|----|----|----|----|----|----|----|----|----|
| Plane  2/slot | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 27 | 28 |
|       Channel | -2 | -7 |  0 | -1 | -2 | -7 |  0 | -1 |    | -7 |
|---------------|----|----|----|----|----|----|----|----|----|----|
| Plane  3/slot | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 26 |
|       Channel |  4 | -3 |  3 |  2 |  4 | -3 |  3 |  2 | -6 |
|---------------|----|----|----|----|----|----|----|----|----|
2.CURRENT ADVISORIES (ADV) AND FORECASTS (FCST)
INFORMATION IS REPEATED FOR ONE MONTH AFTER EVENT CONCLUDES.
ALL THE DATES (DD.MM.YY) ARE GIVEN AT MOSCOW TIME (UTC+0300)


A. FORECASTS

NAGU-MSG.DATE-TIME-SL/CH-TYPE-SUMMARY

B.ADVISORIES

NAGU-MSG.DATE-TIME-SL/CH-TYPE-SUMMARY
180-200126-26.01.20-0952-08/06-ADVS-SC-SRV 25.01/1202-29.01/0000
182-200203-03.02.20-1036-10/-5-ADVS-SC-SRV 04.02/0700-15.02/0000
183-200204-04.02.20-1002-10/-5-ADVS-SC-SRV 04.02/0710-15.02/0000
188-200214-14.02.20-1126-11/00-ADVS-SC-SRV 13.02/1315-13.02/2055

С.GENERAL: NO IMPACT, INFORMATIONAL PURPOSE ONLY

NAGU-MSG.DATE-TIME-SL/CH-TYPE-SUMMARY
144-191001-01.10.19-1048-12/07-ADVS-ORB-POINT-CHNG   01.10.19-10.02.20  12 10
149-191008-08.10.19-1654-28/-1-ADVS-PUT INTO OPERATION 08.10/1509
150-191017-17.10.19-1420-10/07-ADVS-FREQ-CHNG 17.10/0000 07 -5
153-191017-17.10.19-1820-10/07-ADVS-FREQ-CHNG 17.10/0000 07 -5
158-191024-24.10.19-1014-11/00-ADVS-PUT INTO OPERATION 24.10/1536
168-191129-29.11.19-1205-22/-3-ADVS-PUT INTO OPERATION 29.11/1200
177-200103-03.01.20-1016-04/06-ADVS-PUT INTO OPERATION 03.01/1100
179-200116-16.01.20-1140-11/00-ADVS-PUT INTO OPERATION 16.01/1200
181-200129-29.01.20-1300-08/06-ADVS-PUT INTO OPERATION 29.01/1300
184-200207-07.02.20-1209-10/-5-ADVS-FREQ-CHNG 07.02/0000 -5 -7
187-200213-13.02.20-1052-10/-7-ADVS-PUT INTO OPERATION 13.02/1300


                     3.NAGU Information Group

180-200126
NOTICE ADVISORY TO GLONASS USERS (NAGU) 180-200126
SUBJ:08/06 (743) UNUSABLE 25.01/1202 
1.CONDITION: 08/06 SC (743) WAS UNUSABLE
SINCE 25.01/1202 UNTIL 29.01/0000
MSK (UTC+0300) DUE TO MAINTENANCE
2.USERS ARE REMINDED TO UPDATE ALMANACS IF NECESSARY


181-200129
NOTICE ADVISORY TO GLONASS USERS (NAGU) 181-200129
SUBJ:08/06 (743) PUT INTO OPERATION 29.01/1300 
1.CONDITION: 08/06 (743)  PUT INTO OPERATION 29.01/1300 MSK (UTC+0300)
2.USERS ARE REMINDED TO UPDATE ALMANACS IF NECESSARY


182-200203
NOTICE ADVISORY TO GLONASS USERS (NAGU) 182-200203
SUBJ:10/-5 (723) UNUSABLE 04.02/0700 
1.CONDITION: 10/-5 SC (723) WAS UNUSABLE
SINCE 04.02/0700 UNTIL 15.02/0000
MSK (UTC+0300) DUE TO MAINTENANCE
2.USERS ARE REMINDED TO UPDATE ALMANACS IF NECESSARY


183-200204
NOTICE ADVISORY TO GLONASS USERS (NAGU) 183-200204
SUBJ:10/-5 (723) UNUSABLE 04.02/0710 
1.CONDITION: 10/-5 SC (723) WAS UNUSABLE
SINCE 04.02/0710 UNTIL 15.02/0000
MSK (UTC+0300) DUE TO MAINTENANCE
2.USERS ARE REMINDED TO UPDATE ALMANACS IF NECESSARY


184-200207
NOTICE ADVISORY TO GLONASS USERS (NAGU) 184-200207
SUBJ:10/-5 (723) CHANGE OF THE OPERATING FREQUENCY OF SC 723  
1.CONDITION: 07.02.2020 SC 723 TRANSFER FROM 
OPERATING FREQUENCY -5 TO FREQUENCY -7
2.USERS ARE REMINDED TO UPDATE ALMANACS IF NECESSARY


187-200213
NOTICE ADVISORY TO GLONASS USERS (NAGU) 187-200213
SUBJ:10/-7 (723) PUT INTO OPERATION 13.02/1300 
1.CONDITION: 10/-7 (723)  PUT INTO OPERATION 13.02/1300 MSK (UTC+0300)
2.USERS ARE REMINDED TO UPDATE ALMANACS IF NECESSARY


188-200214
NOTICE ADVISORY TO GLONASS USERS (NAGU) 188-200214
SUBJ:11/00 (753) UNUSABLE 13.02/1315 
1.CONDITION: 11/00 SC (753) WAS UNUSABLE
SINCE 13.02/1315 UNTIL 13.02/2055
MSK (UTC+0300) DUE TO MAINTENANCE
2.USERS ARE REMINDED TO UPDATE ALMANACS IF NECESSARY