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http://www.jaxa.jp/projects/sat/qzss/index_e.html
July 14, 2011 Updated
MICHIBIKI provides all GPS supplementary signals
The alert flags for positioning signals of L5 and L1C for the first
quasi-zenith satellite (QZS) =93MICHIBIKI=94 were removed on July 14 as we
have confirmed that their quality and reliability satisfy the QZS
system user interface specifications.
Along with the L1-C/A and L2C signals, whose alert flags were lifted
on June 22, all alert flags for the GPS supplementary signals have now
been retracted.
L5 and L1C signals are called =93modernized GPS signals=94 because they
are expected to be further improved in ranging accuracy and have less
multi-path errors compared to L1-C/A and L2C signals.
First healthy L2C, L1C and L5 ranging. Amazing. Congratulations QZSS
team.
Marcelo Pacheco
July 14, 2011 Updated
MICHIBIKI provides all GPS supplementary signals
The alert flags for positioning signals of L5 and L1C for the first
quasi-zenith satellite (QZS) =93MICHIBIKI=94 were removed on July 14 as we
have confirmed that their quality and reliability satisfy the QZS
system user interface specifications.
Along with the L1-C/A and L2C signals, whose alert flags were lifted
on June 22, all alert flags for the GPS supplementary signals have now
been retracted.
L5 and L1C signals are called =93modernized GPS signals=94 because they
are expected to be further improved in ranging accuracy and have less
multi-path errors compared to L1-C/A and L2C signals.
First healthy L2C, L1C and L5 ranging. Amazing. Congratulations QZSS
team.
Marcelo Pacheco
- QZSS Info
- Satellite Navigation
- 2010-09-11
