RTKLIB: demo5 b34j

• Major update of QT GUIs (see readme.md file for instructions on building the QT GUIs)
• Extensive repairs for potential out of bound accesses, buffer overflow errors, and general code cleanup

Special thanks to JensReimann and OurAirQuality for the vast majority of these changes.

Rtklib Install with Qt Frontend

Windows installer for rtklib compiled with the Qt frontend.

RTKLIB: demo5 b34i

NOTE 5/29/24: THIS RELEASE HAS A KNOWN ISSUE WITH NTRIP STREAMING. PLEASE USE THE B34H RELEASE FOR ANY NTRIP STREAMING UNTIL THIS IS RESOLVED.

• Updates to obs Beidou codes for RINEX and RTCM
• Fix for parsing new format Septentrio RINEX files
• Fix bug with -ts option in RTKCONV
• Fix bug in handling priorities between multiple obs codes
• Recognize .RNX extensions as valid obs and nav files
• Fix bug in -sys option in RNX2RTKP
• Enable compilation of utilities
• Add UDP server support to STR2STR
• Fix bug in calculating initial average position when SNR obs weighting is enabled
• Fix bug in obs weighting for PPP solutions not using iono-free combinations
• Add support for .BIA and .BSX code bias files
• Fix incorrect index for VALSET u-blox command
• Add Galileo E1/E5 dual freq iono-free combination for PPP solutions
• Fix Qt version compile issues (still not fully functional)
• Updates to user manual
• Decrease obs weighting if half cycle ambiguity flag set
• Add multiple improvements for moving base solutions

RTKLIB: demo5 b34h

Note: Missing files added 8/28/23
Support UTC time base for event logging
Bug fix for PPP backward solutions
Fix bug in post-processing half-cycle corrections
Add support for post-processing half-cycle corrections for u-blox receivers
Fix compile errors for QT apps (still not fully supported)
Fix GLONASS dual-freq ionospheric correction bug
Merge pull requests #120, #121, #137, #138
Improvements for moving base RTK solutions
Add support for new Beidou codes for RTCM3 MSM messages
Change third frequency for Beidou from B2A to B3
Don't discard RTCM3 MSM end-of-epoch flag if message data is invalid but message header is valid
Updates to sample config files

RTKLIB: demo5 b34g

• Add separate pseudorange outlier threshold
• Revert default time tolerance in RTKCONV/CONVBIN to avoid unintended consequeces
• Fix bug in adjustment of MAX_STD_CP between Gen8 aand Gen9 u-blox receivers
• Modify inputobs() to find closest timestamp
• Adjust obs variances by freq for phase obs as well as code obs
• Update defulats for RTKCONV to rinex 3.04 and Galileo enabled
• Clean up indents /tabs to better sync to 2.4.3 code

Google Smartphone Decimeter Challenge 2022 v1.0

Includes all files and executables necessary to generate a solution for the data from Google Decimeter Challenge 2022. This release will generate a score of 1.593/1.743 on the private/public leaderboards if run with a single configuration file, or 1.608/1.715 if run as an ensemble solution with two configuration files. Instructions are in the read.me file.

RTKLIB: demo5 b34f.1

Revision b34f 3/26/22

• Added changes from the Google Decimeter Challenge release code
• Update for Galileo decode for new firmware for u-blox F9P
• Fixes for doppler based cycle slip detection
• Expanded ionosphere-free option for L1/L5
• Auto adjust MAX_STD_CP between Gen8 and Gen9 u-blox receivers
• Change default time tolerance in RTKCONV/CONVBIN from 0.005->1.0to avoid unintentional rejection of samples
• Minor bug fixes
• Documentation updates

Revison b34f.1 4/5/22

• Fix bug in doppler cycle slip detection for backwards filter direction
• Add validation of GLONASS orbital parameter to avoid floating point error in case of invalid navigation data

RTKLIB: demo5 b34e

• Add cycle slip detection by doppler test. Default to disabled
• Restore default carrier phase threshold for u-blox Gen9 observations to optimal value for Gen8 until test to distinguish between Gen8 vs Gen9 observations is working for all firmware.
• Revamp observation weighting to allow any combination of elevation and SNR weights as well as receiver stdevs for u-blox only.
• Update RTKPOST and RTKNAVI GUIs for new config parameters
• Update documentation

Google Decimeter Challenge

These files are intended for use with the Google Decimeter Challenge datasets and are described in this post. Note that the source code changes are included in the zip file and not in the source link below.

RTKLIB: demo5 b34d

• Improve parsing of obs files with multiple signals for same freq
• Fix bug in handlilng Galileo ephemeris data
• Eliminate 60 sec time stamps with -TADJ receiver option
• Add option to adjust L5 error ratio to RTKPOST
• Fix bug in ambiguity resolution retries when GLO is disabled but GLO_AR is set to fix-and-hold
• Minor cleanup to ambiguity resolution retries