ilyass31 commited on
Commit
beec67b
·
verified ·
1 Parent(s): ef91ea4

Update README.md

Browse files
Files changed (1) hide show
  1. README.md +76 -3
README.md CHANGED
@@ -1,3 +1,76 @@
1
- ---
2
- license: mit
3
- ---
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ ---
2
+ license: mit
3
+ language:
4
+ - en
5
+ tags:
6
+ - Airline
7
+ - debrisSearch
8
+ - FlightMH370
9
+ size_categories:
10
+ - n<1K
11
+ ---
12
+
13
+ # MH370 Inmarsat Satellite Data Logs
14
+
15
+ ## Overview
16
+
17
+ This dataset contains the data communication logs from the Inmarsat satellite system related to Malaysia Airlines Flight MH370 (9M-MRO). The data was provided to the authorities to assist in the ongoing investigation and search efforts for the missing aircraft.
18
+
19
+ ## Dataset Contents
20
+
21
+ The dataset consists of structured logs recorded at the Ground Earth Station (GES), capturing communications between the Inmarsat satellite system and MH370’s terminal. Some non-essential columns have been removed for readability.
22
+
23
+ ### Data Format
24
+
25
+ - All times are in UTC.
26
+ - The logs cover communications from 16:00 UTC on March 7, 2014, until the last Handshake Request (Log On Interrogation) at 01:16 UTC on March 8, 2014.
27
+ - Each log entry includes multiple fields detailing signal timing, frequency offsets, and transmission characteristics.
28
+
29
+
30
+ ### Key Fields:
31
+
32
+ - **Time**: Timestamp of the log entry
33
+ - **AES ID**: Terminal identifier
34
+ - **Channel Name / Type**: Communication channel information
35
+ - **Ocean Region**: Satellite coverage area
36
+ - **Burst Timing Offset (BTO)**: Used to estimate the distance between the aircraft and the satellite
37
+ - **Burst Frequency Offset (BFO)**: Affected by Doppler shifts, useful for tracking movement
38
+ - **Signal Strength & Quality Metrics**: Includes power levels, frequency offsets, and estimated bit error rate
39
+
40
+ ## Understanding Key Metrics
41
+
42
+ ### Burst Timing Offset (BTO)
43
+
44
+ BTO values help estimate the aircraft's distance from the satellite based on:
45
+
46
+ - Signal travel time (ground station → satellite → aircraft → satellite → ground station)
47
+ - Fixed processing delays in the satellite, ground station, and aircraft terminal
48
+
49
+ BTO does not provide an exact aircraft location, but it helps determine possible flight paths.
50
+
51
+ ### Burst Frequency Offset (BFO)
52
+
53
+ BFO values indicate Doppler shift effects on the signal, which depend on:
54
+
55
+ - Aircraft motion relative to the satellite
56
+ - Satellite motion relative to Earth
57
+ - Fixed biases from aircraft and satellite transmitters
58
+
59
+ Corrections applied by the Automatic Frequency Control (AFC) system in the ground station compensate for some of these effects.
60
+
61
+ ## Applications of This Data
62
+
63
+ This dataset is valuable for:
64
+
65
+ - Aviation forensic analysis
66
+ - Reconstructing MH370’s possible flight paths
67
+ - Machine learning models for anomaly detection in aviation telemetry
68
+ - Understanding satellite-based tracking systems
69
+
70
+ ## Citation & Acknowledgments
71
+
72
+ This dataset is based on publicly available Inmarsat logs used in the MH370 investigation. Credit goes to aviation safety researchers, satellite engineers, and data analysts contributing to this effort.
73
+
74
+ For further analysis or collaborations, feel free to contribute!
75
+
76
+