WMO OSCAR | Satellite: Argos-4 (GAzelle)

Satellite: Argos-4 (GAzelle)

Satellite details

Acronym	Argos-4 (GAzelle)
Full name	Argos-4 also referred to as GAzelle
WIGOS Station Identifier	---
Satellite Description	Continuation of the NOAA/CNES ARGOS program to collect a variety of data from both stationary and mobile transmitters around the world. Applications include Environmental monitoring applications, Marine fisheries applications, Maritime security applications, Offshore applications and Humanitarian Aid. In contrast to previous DCS/ARGOS instruments on NOAA platforms this is a small satellite on which the DCS/ARGOS system is mounted. First of a planned constellation of 25 ARGOS-4 satellites which are planned by 2024 Details here: https://www.nesdis.noaa.gov/next-generation/argos-4-launch
Mass at launch	118 kg	Dry mass
Power
Data access link	https://www.argos-system.org/using-argos/how-to-access-to-your-satellite-data/
Data access information	Details at link provided.
Orbit	Sunsynchronous orbit	Altitude	750 km
ECT	06:00 desc

Space agency	NOAA , CNES
Status	Operational
Details on Status (as available)
Launch	07 Oct 2022	EOL	≥2027
Last update:	2024-11-11

Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on Argos-4 (GAzelle)

Acronym	Full name
Argos-4	Advanced Data Collection System (called "Argos-4")

Satellite payload

All known instruments flying on Argos-4 (GAzelle)

Instrument	Full name	Start date	EOL date	Status	NRT data	Data latency (mins)	Instrument calibration	Comments
Argos-4	Advanced Data Collection System (called "Argos-4")	Oct 2022	≥2027 *	Active *

* The information in this field is estimated or assumed

Satellite frequencies for Earth Observation, data transfer and platform communications and control

Frequencies for satellite management

Service	Direction	Frequency (MHz)	Emission designator	Bandwidth (kHz)	Polarisation	D/A	Data rate (kbps) or Baseband (kHz)	Comments
DCP	E-S	401.65 MHz	4K00G1D	4 kHz	RHCP	D	0.4 kbps	DCP Reports
DCP	S-E	465.9875 MHz	5K00G1D	5 kHz	RHCP	D	0.4 kbps	DCP commanding