It will provide cloud cover and sea temperature maps, along with the data on
the upper boundaries of clouds and wind speeds, to enable hurricane, floods,
and typhoon warnings.
Operational since 1 Jun 1996. It broadcasts on 1691 MHz (WEFAX with a minimum
filter of 50 KHz)
Specifications
Prime
contractor
VNII-EM
Platform
Electro
Mass
at launch
2400
kg
Payload
mass
800
kg
Length
Width
Height
Stabilization
3-axis
DC
power
1500
W
Design
lifetime
3
years
Location
Begin
End
Position
L:
31 Oct 1994
Sep
1998
76.5°E
Mar
1999
66°E
drifting
Aug
1999
72°E
drifting
Oct
1999
76°E
drifting
May
2000
84°E
End of life
Out
of service
Sep
1998?
Cause
end
of life probable
Wave bands: 0.46-0.7 µm (visible) & 10.5-12.5 µm (infrared)
One image every 30 minutes
Continuous downlink: 1.691 & 2.155 & 8.155 GHz (1200 bps)
15-minute sessions (every half or quarter of hour): 1.685 & 7.465 GHz (2.56
Mbps)
Other short sessions: 8.190 & 7.465 GHz (upto 0.96 Mbps)
Occasional: 469 MHz (downlink) & 2.110 MHz (uplink)
Data collection: in the 401-403 MHz band, 33 international and 100 soviet
channels at 100 bps. Retransmission at 1.697 and 7.482 MHz