Constellation Information

Constellation Status

Satellite Name¹	SV ID²	Clock³	Status⁴	Active NAGU⁵	NAGU Type⁶	NAGU Subject⁷
GSAT0101	E11	RAFS	USABLE
GSAT0102	E12	PHM	USABLE
GSAT0103	E19	PHM	NOT USABLE	2020008	PLN_EXTNS	EXTENSION NAGU 2020007 UNTIL FURTHER NOTICE
GSAT0104	E20	RAFS	NOT AVAILABLE	2014014	UNP_UNUFN	UNAVAILABLE FROM 2014-05-27 UNTIL FURTHER NOTICE
GSAT0201	E18	PHM	TESTING	2019020	GENERAL	TESTING OF GSAT0201
GSAT0202	E14	PHM	TESTING	2019021	GENERAL	TESTING OF GSAT0202
GSAT0203	E26	PHM	USABLE
GSAT0204	E22	RAFS	NOT USABLE	2017045	GENERAL	GSAT0204 REMOVED FROM ACTIVE SERVICE ON 2017-12-08 UNTIL FURTHER NOTICE FOR CONSTELLATION MANAGEMENT PURPOSES
GSAT0205	E24	PHM	USABLE
GSAT0206	E30	PHM	USABLE
GSAT0207	E07	PHM	USABLE
GSAT0208	E08	PHM	USABLE
GSAT0209	E09	PHM	USABLE
GSAT0210	E01	PHM	USABLE
GSAT0211	E02	PHM	USABLE
GSAT0212	E03	PHM	USABLE
GSAT0213	E04	PHM	USABLE
GSAT0214	E05	PHM	USABLE
GSAT0215	E21	PHM	USABLE
GSAT0216	E25	PHM	USABLE
GSAT0217	E27	PHM	USABLE
GSAT0218	E31	PHM	USABLE
GSAT0219	E36	PHM	USABLE
GSAT0220	E13	PHM	USABLE
GSAT0221	E15	PHM	USABLE
GSAT0222	E33	PHM	USABLE

1: Satellite Name: Galileo Satellite (GSAT) identifier of the satellites:

2: SV ID: Space Vehicle (SV) Identifier is the Galileo satellite ranging code identifier. ‘E’ is the Galileo system constellation indicator.

3: Clock: PHM = Passive Hydrogen Maser, RAFS = Rubidium Atomic Frequency Standard.

4: Status:

USABLE: satellite is operational and contributing to the service provision.
NOT AVAILABLE: satellite is not operational and it is not contributing to the service provision (NAGU issued prior to Service Declaration).
NOT USABLE: satellite is not operational and it is not contributing to the service provision (NAGU issued after Service Declaration).
TESTING: satellite may be used only for testing purposes.
UNDER COMMISSIONING: satellite is under In-Orbit Test (IOT) phase.

5: Active NAGU: link to the applicable NAGU.

6: NAGU Type: information about the type of the applicable NAGU (see NAGU Information section).

7: NAGU Subject: content of the ‘NAGU Subject’ field of the applicable NAGU (see NAGU Information section).

NAGU Type	NAGU Number	Date of start event (UTC)	Date of publication (UTC)	NAGU Subject	Satellites affected
GENERAL	2019021	2019-03-23 13:02	2019-03-25 15:30	TESTING OF GSAT0202	GSAT0202
GENERAL	2019020	2019-02-27 06:02	2019-05-23 15:05	TESTING OF GSAT0201	GSAT0201
GENERAL	2017045	2017-12-08 07:30	2017-11-23 17:45	GSAT0204 REMOVED FROM ACTIVE SERVICE FOR CONSTELLATION MANAGEMENT PURPOSES	GSAT0204
GENERAL	2016063	2016-12-15 12:00	2016-12-15 12:00	GALILEO INITIAL OPEN SERVICE (OS) DECLARATION	ALL SATELLITES WITH USABINIT NAGU ISSUED

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