Change Log

June 13, 2026 · View on GitHub

PRIDE PPP-AR version 3.2.9

2026-06-12 (v3.2.9)

pdp3: Fix a problem with respect to pre-staged broadcast nav on same-day runs
pdp3: Fix GNU date calls for users in timezones with daylight savings
lib: Avoid processing errors caused by NaN values in the input SINEX bias file
script: Add a new python script that converts the output kinematic file to csv

2026-05-13 (v3.2.8)

pdp3: Fix a problem with specifying the process start time

2026-04-12 (v3.2.7)

spp: Fix a problem when compiling with Fortran (90/95/2003+)

2026-03-22 (v3.2.6)

pdp3: Downloaded products will be switched to WCC products if the WUM0MGXRAP products are unavailable

2026-03-07 (v3.2.5)

pdp3: Extend the threshold in check a priori position
lib: Fix a problem in read rinex observations

2026-02-11 (v3.2.4)

gui: Update the product download address in windows version

2026-01-15 (v3.2.3)

pdp3: Fix a problem in identifying the first epoch to process
tedit: Fix a output problem

2025-12-15 (v3.2.2)

pdp3: Fix a problem in across-day processing with DOCB products

2025-11-10 (v3.2.1)

tedit: Fix a problem in multi-day data processing
read_igserp: Fix a problem in read ERP file
install.sh: remove the IGN download address

2025-10-20 (v3.2.0)

arsig: A machine learning–based model is adopted by default for ambiguity validation
tedit: Single constellation data edition is allowed
pdp3: A new “-wcc” option has been added to the command line to support the use of Wuhan Combination Center combined products
pdp3: The default FTP address for WUM0MGXRAP products is changed to "ftps://bdspride.com/wum/"

2025-09-06 (v3.1.5)

lsq: add 'isb' estimation for receiver clocks

2025-05-17 (v3.1.4)

gui: update rinex2 reading function and high-order ionosphere correction function

2025-04-11 (v3.1.3)

lib & orbit : optimize reading RINEX-2.12 data and orbit product code, respectively

2025-02-25 (v3.1.2)

lib: update IGRF12.F

2025-01-25 (v3.1.2)

lsq: enable the processing of RINEX files with non-standard time label

2025-01-19 (v3.1.1)

pdp3: Disable the use of RTS products in MHM modeling

2025-01-06 (v3.1)

mhm: a new module enabling multipath delay compensation based on Multipath Hemispherical Map model (MHM)
gui: add support for RINEX versions greater than 4.0

2024-09-08 (v3.0)

lib & tedit: use DOCB block in BIAS-SINEX file to decide whether reset ambiguity at midnight
otl: enable self-computed ocean tide loading correction in case of no oceanload coefficients for user stations
lsq: add a function to support random walk constraint between epochs in position domain (P mode)

2024-04-08 (v3.0)

lib & spp: enable multi-day processing of non-consecutive daily RINEX files
tedit: improve implementation of loose editing for kinematic positioning
lsq: reduce the weight of GLONASS pseudorange observations to improve multi-GNSS positioning performance

2024-02-08 (v3.0)

Employ the latest WUM0MGXRTS products to perform all-frequency PPP-AR on GNSS data with hours latency
- Real-time archived from Wuhan University GPS/Galileo/BDS phase bias stream and updated every 3 hours
lib & spp: fix bug for unexpected termination in multi-day processing

2023-12-13 (v3.0)

pdp3: add IGN FTP site ftp://igs.ign.fr/pub/igs/products/mgex/ to GNSS product download path
pdp3: refine the procedures for ambiguity resolution when missing code/phase biases for some satellites

2023-11-24 (v3.0)

Release of PRIDE PPP-AR v3.0

Enable all-frequency PPP-AR on any dual-frequency ionosphere-free combinations
- pdp3: add -frq option to choose the signal frequencies for each GNSS
- pdp3: add verification for the availability of observations and code/phase OSBs
Employ the latest WUM0MGXRAP products to resolve ambiguities on new GNSS signals
- Rapid all-frequency phase clock/bias products from Wuhan Univeristy
- Support ambiguity resolution on GPS L1/L2/L5, Galileo E1/E5a/E6/E5b/E5, BDS B1C/B1I/B2a/B3I/B2
- Append satellite orbit, clock, and quaternion records at the second midnight
- Align phase clock/bias across consecutive days to mitigate day-bounday discontinuities
Support precise orbit determination for LEO satellites
- pdp3: add L positioning mode for kinematic orbiting of LEO satellites
- table: add processing scripts for GRACE and GRACE-FO, other LEO satellites can be integrated manually
- table: add setting LEO quaternions in config_template to specify attitude products for LEO satellites
Improve capability and long-term consistency of multi-day processing
- Enhance capability of multi-day processing to 108 days
- Enable establishing integer-ambiguity constraints across midnights with aligned GNSS products to mitigate day-boundary discontinuities in the result
- table: add setting Truncate at midnight in config_template to set whether to truncate ambiguities at the day boundaries
Provide more command-line options and models for parameter estimation
- pdp3: add -r option to choose WNO/STO model for receiver clock estimation
- pdp3: add -h option to choose NON/PWC/STO model for HTG estimation
Increase compatibility with the latest IGS data and product extensions
- Support observation data and broadcast ephemerides in RINEX 4
- lib: fix bug for not reading interspersing AR and AS clock records
- lib: fix bug for not reading time-varying OSB estimates and their gradients
- lib: fix bug for not reading non-16-digit quaternions
Refine the data format of result files and the output information of program runs
- Add header information (antenna, PCO, frequency selection, positioning mode, etc.) in result files
- Increase the number of digits in kin file and res file
- pdp3: add -v option to output detailed information from arsig and lsq
- xyz2enu: output RMS instead of STD when reference coordinates are specified

Special notes for compatibility with older versions of PRIDE PPP-AR:

pdp3_mac.sh has been integrated into pdp3.sh
Older versions of PRIDE PPP-AR cannot recognize the new namings of WUM0MGXRAP and WUM0MGXRTS products
Older versions of PRIDE PPP-AR cannot read the new settings in configuration file
Older versions of PRIDE PPP-AR cannot read the new format in result files

PRIDE PPP-AR version 2

2023-09-28 (v2.2)

pdp3: specify the language/region setting to en_US.UTF-8 to prevent problems with decimal comma
- please contact us if you still encounter problems in your region
pdp3: support new GIM products for 2nd ionospheric corrections from 2022/330
pdp3: fix bug for not recognizing some RINEX observation files
lib: fix bug for reading multi-day quaternions
lib: improve the substitution rules for missing multi-GNSS PCOs/PCVs
spp & tedit: fix bug for not processing BDS-only observations
table: disable BDS GEO satellites in config_template by default to enhance processing quality

2023-02-14 (v2.2)

Add IGS20 compatilibility with new ANTEX file, SINEX file, and APC_MODEL keyword
pdp3: reduce the minimum processing time range for loose editing to 30.0 seconds
pdp3: allow manual specification of priori station coordinates in sit.xyz in F mode
lib: apply complete APC corrections on the Melbourn-Wubbena combination instead of approximate ones
lib: fix bug for not reading BDS B1I observations from RINEX 3.02 format
lib: fix bug for not reading zero biases from code/phase OSB product
table: add igs20_2247.atx for products in IGS20 reference frame

2022-11-21 (v2.2)

Change default products from CODE to IGS2R03FIN for dates between 1995 and 2020
- IGS Repro3 combination products that supprot PPP from 1995 and PPP-AR from 2000
pdp3: increase the number of decimal digits in time range to 3
table: add igsR3_2135.atx for Repro3 products, remove M14.ATX for CODE products

2022-10-28 (v2.2)

pdp3: extend maximum processing interval to 300.0 seconds
pdp3: correct syntax errors in output
spp: match the timestamp of initial coordinates with observations
lsq: fix potential fatal issues caused by rounding errors

2022-06-20 (v2.2)

install.sh: add warnings for improper installation operations
pdp3: add OFFLINE mode to avoid calling wget in an off-line computer
pdp3: fix bug for corrupting IGS ANTEX file in batch processing
pdp3: fix bug for unexpected termination in multi-day processing
pdp3: enhance capability of multi-day processing to 32 days
spp: support SA mode for dates before 2000

2022-05-07 (v2.2)

install.sh: allow default table directory to be set outside /home
pdp3: enhance compatibility of RINEX observation file naming
pdp3: support file paths with spaces
pdp3: support older versions of wget (without --show-progress)
table: add M14.ATX for CODE products

2022-04-07 (v2.2)

Release of PRIDE PPP-AR v2.2

Change command-line script name from pride_pppar to pdp3
Redesign interactions with command-line interface without fixed arguments
Employ WUM0MGXRAP products from Wuhan University for dates from 2020
- Rapid multi-GNSS satellite orbit, clock, bias, quaternion, and ERP products from Wuhan University
- Apply code/phase OSB products in Bias-RINEX format instead of DCB products
Employ *WUM0MGXRTS products from Wuhan University for ultra-rapid processing
Support continuous multi-day processing up to 5 days
Release a GUI version for Windows/MacOS with interactive plotting functions
Add src/utils/pbopos to convert pos file to PBO GPS Time Series Format
table: add config_template to save command-line settings
table: add leap.sec to synchronize leap seconds from IERS
table: replace glonass_chn with sat_parameters