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
Space-Track.org
TLE Updated
2026-05-23 17:25:31 UTC
TLE Set 
1 28628U 05009A   26143.34996604  .00000025  00000-0  00000+0 0  9993
2 28628   5.1368  42.7196 0002730  16.5134 125.8161  1.00270824 77420
Satellite Suggestion History
Transmitter Suggestion History