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Latest QZSS LEX Data OutlineOutline

LEX (L-band experiment) is a unique signal from "MICHIBIKI". The objectives of LEX signal are to enhance the performance of GPS(realizing improved precision) and to establish the next generation's positioning based technology. (For more information of LEX signal,please refer to section 5.7 of IS-QZSS.)

Based on the experiment schedule, LEX signal has been generated by JAXA,Geospatial Information Authority of Japan (GSI), Satellite Positioning Research and Application Center (SPAC) or National Institute of Information and Communications Technology (NICT).

In this site, LEX signal data (Message Type 10 and 11) generated by JAXA (JAXA-LEX) is available. (We published all JAXA-LEX data in this site even in periods when "MICHIBIKI" does NOT broadcast the JAXA-LEX.)

Note: Because of the switching operations of ground stations,etc., some data may be missing.

Latest QZSS LEX Data DefinitionDefinition

Refer to section of IS-QZSS for the specifics of LEX signal data (Message Type 10 and 11).

Note that these files are written in a binary format.

Latest QZSS LEX DataLatest QZSS LEX Data

File Type File Created Time(UT) Size(byte) File Name Preview
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