INMARSAT 4-F1
Mission information
Name
INMARSAT 4-F1
Alternate Names
Alphasat1
Satellite ID
AWRD-0316-6644-2878-7013
NORAD ID
28628
Status
Satellite alive
Operational

Satellite is in orbit and operational

Image
INMARSAT 4-F1
Description

Inmarsat I well known for its communication satellites. This satellite is a high powered telecoms device that uses the L band and also carries technology demnostration payloads for the European Space Agency (ESA).

SatNOGS Links
Network Observations
Outernet Asia/Pacific
Copy UUID Citation
Type
Transmitter
Downlink Mode
BPSK
Downlink Frequency
1545952500
Baud
4200
Most Recent Observers (last 24h)

No observations recorded for INMARSAT 4-F1 in the last 24h

Data Frames Decoded - 30 Days
There is no decoded data for this satellite in the last 30 days.
No Decoders Found
Help us develop a decoder, you can find instructions at this wiki link
Orbital Elements
Latest Two-Line Element (TLE)
TLE Source
Celestrak (active)
TLE Updated
2025-10-28 04:48:12 UTC
TLE Set 
1 28628U 05009A   25300.57197487  .00000046  00000+0  00000+0 0  9996
2 28628   4.8584  42.4730 0003646 187.0703 190.6762  1.00272547 75340
Satellite Suggestion History
Transmitter Suggestion History