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iridium:toolkit [2016/10/03 14:31] – ::1 | iridium:toolkit [2021/04/18 12:35] (current) – external edit 127.0.0.1 | ||
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|1|UNIX timestamp in seconds when the recording started|i-1472473197-t1| The i- prefix and -t1 suffix a historical artefact...| | |1|UNIX timestamp in seconds when the recording started|i-1472473197-t1| The i- prefix and -t1 suffix a historical artefact...| | ||
|2|Time in milliseconds inside the recording|000001626| | | |2|Time in milliseconds inside the recording|000001626| | | ||
- | |3|Frequency in Herz|1627088000|Estimated center frequency| | + | |3|Frequency in Hertz|1627088000|Estimated center frequency| |
|4|Confidence in percent|97%|Confidence is estimated during demodulation by gr-iridium| | |4|Confidence in percent|97%|Confidence is estimated during demodulation by gr-iridium| | ||
|5|Signal level|0.009|Arbitrary scale| | |5|Signal level|0.009|Arbitrary scale| | ||
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==== IRA: Ring Alert ==== | ==== IRA: Ring Alert ==== | ||
- | Ring alerts are sent periodically by the satellite to every sport beam. Every 90 ms a new ring alert gets sent to another | + | Ring alerts are sent periodically by the satellite to every spot beam. Every 90 ms a new ring alert gets sent to another |
Example: | Example: | ||
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|12|Ring alert interval|RAI: | |12|Ring alert interval|RAI: | ||
|13|Unknown|? | |13|Unknown|? | ||
- | |14|Broadcast channel sub-band|bc_sb: | + | |14|Broadcast channel sub-band|bc_sb: |
|15-|TMSI pages|PAGE(tmsi: | |15-|TMSI pages|PAGE(tmsi: | ||
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== Spot Beam Location == | == Spot Beam Location == | ||
- | Locations with a low altitude (e.g. < 10 km) can be treated as the location where the SV thinks that the particular | + | Locations with a low altitude (e.g. < 10 km) can be treated as the location where the SV thinks that the particular |