Index: trunk/BNC/CHANGELOG.md
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+# Changelog
+
+## 2.13.0 (2022-06-xx)
+- ADDED: **RINEX Version 4** support; in navigation files currently the EPH message type is considerred only
+- ADDED: PPP Client upgrade
+- ADDED: Support of Ntrip version 2.0 Upload including TLS
+- ADDED: Multi-GNSS Satellite clock combination
+- ADDED: Code bias considerration in satellite clock combination
+- ADDED: Satellite clock combination results include code biases
+- ADDED: Ephemerides upload for different systems in parallel
+- ADDED: Multi-GNSS SP3, Clock RINEX and SINEX Bias support
+- ADDED: QC multipath analysis for more than two signals
+- ADDED: Transition from Qt4 to Qt5
+
+
+## 2.12.19 (2022-04-04)
+- CHANGED: Minimum combination sampling interval
+
+## 2.12.18 (2021-09-28)
+- ADDED   (13.07.2021): Satellite antenna phase center correction
+- FIXED   (14.05.2021): Bug in ephemeris check
+- CHANGED (06.05.2021): Some OSM updates to force https usage and another crossOriginKeyword
+- CHANGED (05.07.2021): Signal usage in BDS PPP
+
+## 2.12.17 (2021-04-20)
+- ADDED (11.03.2021): One more line with satellite health flags for the GLONASS navigation messag as defiend in RINEX v. 3.05
+- FIXED (25.03.2021): Bug in SSR GLONASS upload
+- FIXED (17.03.2021): Redundant output concerning unhealthy satellites
+
+## 2.12.16 (2021-02-25)
+- FIXED     (18.12.2020): Bug in IRNSS ephemeris encoding / decoding
+- FIXED     (10.12.2020): Bug in RTCM3coDecoder regrading SSR format
+- FIXED     (04.12.2020): Bug regarding consideration of incomming ephemerides
+- FIXED     (04.12.2020): Small bugfix regarding latency check
+- FIXED     (01.12.2020): relativistic effects are adapted with respect
+                           to the respective GNSS ICD
+- FIXED     (25.11.2020): Small bugfix regarding the generation of combined
+                           SSR orbit and clock messages
+- FIXED     (24.11.2020): Bugfixes within ephemeris check
+- CHANGED   (12.11.2020): a priori coordinates within examples are updated
+- CHANGED   (23.11.2020): changes to prevent erroneous ephemeris data sets
+                           from usage in combination
+- CHANGED   (25.11.2020): Small format adaptations regarding latency check
+- CHANGED   (26.11.2020): Range of MSM messages enlarged to 1237
+- CHANGED   (10.11.2020): PPP map now with OSM only
+- ADDED     (11.11.2020): Check to prevent the same eph data sets with different TOC values
+
+## 2.12.15 (2020-11-10)
+- FIXED     (03.11.2020):  cleanup of the example configurations
+- ADDED     (31.10.2020):  ephemeris checks and related debugging output
+- ADDED     (22.10.2020):  check if orbit and clock corrections are out of range
+- FIXED     (29.09.2020):  small bugfixes regading long mountpoint names
+                            in latency check and latency plots,
+- FIXED     (29.09.2020):  debug output deleted
+- FIXED     (29.09.2020):  bug in clock rinex header line
+- CHANGED   (21.09.2020):  cleanup of the relativistic effects w.r.t. IGS-SSR
+
+## 2.12.14 (2020-09-04)
+- CHANGED  (02.09.2020):  feed engine output format,
+                            Lock Time Indicator is replaced by Cycle Slip Counter
+- ADDED    (27.08.2020):  encoding and decoding of IGS-SSR messages
+- ADDED    (24.07.2020):  B2b/7D BDS in signal mapping for MSM
+- CHANGED  (24.07.2020):  IRNSS experimental in official ephemeris message number
+
+## 2.12.13 (2020-06-09)
+- CHANGED  (08.06.2020):  BDS SSR IOD is changed from WTZR00DEU_U_20203430000_01D_01S.ppp24 into  8 bit with respect
+                            to RTCM SSR proposal version 08
+- CHANGED  (08.06.2020):  BDS and QZSS SSR signal and tracking mode is adapted
+                            with respect to RTCM SSR proposal version 08
+- FIXED    (30.04.2020):  QZSS fit Interval is specified as flag in RINEX 3.04
+
+## 2.12.12 (2020-01-21)
+- ADDED     (21.11.2019): GPS and QZSS fit Interval in hours
+- CHANGED   (20.11.2019): Epehmeris check
+
+## 2.12.11 (2019-11-08)
+- CHANGED: Harmonization of RTCM3 Signal ID Mapping and RTCM SSR Signal and
+                          Tracking Mode Identifiers for BDS and QZSS
+
+## 2.12.10 (2019-10-02)
+- ADDED     (23.09.2019): IRNSS ephemeris support in RTCM3 Encoder
+- ADDED     (20.09.2019): IRNSS MSM and ephemeris support in RTCM3 Decoder
+- CHANGED   (20.09.2019): RTCM signal mapping IDs for GLONASS
+- CHANGED   (01.10.2019): RTCM signal mapping IDs for BDS
+                            Basis: RTCM BDSWG proposal from 9/2019 as far as
+                            consistent with RINEX version 3.04
+- CHANGED   (20.09.2019): up to 64 BDS prn codes are supported now
+- FIXED     (20.09.2019): multiple message indicator in SSR messages
+- FIXED     (20.09.2019): GLONASS message frame time written into RINEX files
+
+## 2.12.9 (2019-05-20)
+- FIXED   (17.05.2019): method to read the RTNET data buffer
+- FIXED   (10.05.2019): typo in rtnet2ssr transition for ssr upload
+- CHANGED (13.05.2019): number of possible phase biases for ssr upload
+                          are enlaged to 100
+- CHANGED (13.05.2019): default observation types for Galileo
+- CHANGED (10.05.2019): missing phase biases are added within rtnet2ssr transition for ssr upload
+
+## 2.12.8 (2019-05-06)
+- CHANGED (06.05.2019): small but fine changes within the latency checker
+- CHANGED (03.05.2019): Transformation parameters from ITRF2014 into DFREF91
+- CHANGED (30.04.2019): Transformation parameters from ITRF2014 into ETRF2000
+- CHANGED (26.04.2019): GLONASS ephemerides validity is now up to 2 hours.
+                          After that, they will be marked as outdated.
+- CHANGED (10.04.2019): Check with respect to wrong observation epochs
+- FIXED   (29.04.2019): Bug with respect to GLONASS upload
+- FIXED   (26.04.2019): Small Bug in NMEA output
+
+## 2.12.7 (2019-04-03)
+- ADDED   (21.03.2019): Updates regarding RINEX Version 3.04
+- ADDED   (28.02.2019): Lock time in seconds as an optional feed engine output
+- ADDED   (27.09.2018): Possibility to request a user and password
+                          detected sourcetable
+- ADDED   (19.09.2018): Two more polynomial coefficients of the SSR clock correction
+                          message and one more parameter to decribe the SSR URA
+- ADDED   (11.12.2017): Decoding of receiver descriptor in MT 1033
+- ADDED   (27.11.2017): Satellite health check
+- ADDED   (26.10.2017): IRNSS support in RINEX QC
+- CHANGED (06.07.2018): Parameters for transformation of orbit and clock corrections
+                          from ITRF 2014 into ETRF2000 and DREF 91,
+                          no updated parameters for NDA83 available, hence deleted
+- CHANGED (28.06.2018): Allow 10 Hz observation data processing and re-sampling
+                          harmonization of BNCs re-sampling applications
+- CHANGED (23.03.2018): SSR SBAS and BDS satellite IDs with respect to the proposal
+- CHANGED (28.09.2017): Transformation of orbit and clock corrections into ETRF2000,
+                          NDA83 or DREF91 is done temporarily via ITRF2008
+- FIXED   (29.03.2019): Bug in NMEA checksum
+- FIXED   (25.03.2019): Bug in RINEX file concatention
+- FIXED   (05.09.2018): Bug in RTCM3 ephemeris message for QZSS
+- FIXED   (29.08.2018): Bug in RTCM3 ephemeris message for BDS and SBAS
+- FIXED   (28.06.2018): RINEX version 3 filenames for re-sampled files
+- FIXED   (11.06.2018): Bug in reqc ephemeris check
+- FIXED   (18.05.2018): Bug in RINEX file concatenation
+- FIXED   (18.05.2018): Bug in ephemeris upload
+- FIXED   (29.03.2018): Bug in ephemeris check
+- FIXED   (05.02.2018): Bug in latency check
+- FIXED   (13.12.2017): Galileo geocentric gravitational constant is corrected
+- FIXED   (17.11.2017): Encoding/decoding of all missing parameters in MT 1020
+- FIXED   (23.10.2017): Bug in RTCM3 MSM Decoder
+
+## 2.12.6 (2017-09-26)
+- FIXED: GPS SSR Orbit IOD has to be GPS IODE, not IODC
+
+## 2.12.5 (2017-08-30)
+- CHANGED: RTCM message number for BDS is updated
+
+## 2.12.4 (2017-04-10)
+- CHANGED (15.02.2017): SIRGAS2000 transformation parameters adjusted to IGb14
+- CHANGED (10.04.2017): Transformation parameters for ITRF2005 to GDA94 removed
+- CHANGED (10.04.2017): Transformation parameters for ITRF2008 to SIRGAS95 removed
+- CHANGED (10.04.2017): Transformation parameters for ITRF2014 to GDA2020 added
+- FIXED   (10.04.2017): Minor bugs to prevent some irregular crashes of BNC
+
+## 2.12.3 (2016-09-05)
+- ADDED   (01.09.2016): Number of allowed SSR biases is enlarged, some future
+                          GLONASS signal and tracking mode identifier are added
+- ADDED   (08.08.2016): Some informations about the data source is added as
+                          comment within the header of RINEX navigation files
+- ADDED   (21.07.2016): Frequency specific signal priorities are added for
+                          RINEX version 3 to RINEX version 2 conversion
+- ADDED   (29.06.2016): Consideration of provioder ID changes in SSR streams
+                          during PPP analysis
+- CHANGED (28.07.2016): Small adaptations in qwtpolar sources to allow a
+                          successful comilation of BNC on a Rasperry Pi
+- CHANGED (21.07.2016): Default signal priority list
+- CHANGED (08.06.2016): Weighting factor for GLONASS phase observations
+                          is now enlarged
+- CHANGED (27.05.2016): RINEX 2.11 ephemeris output for an unknown
+                          transmission time is set to 0.000000000000e+00
+- CHANGED (24.05.2016): The real satellite visibility is considered, if the
+                          expected observations are computed in RINEX QC
+- FIXED   (12.08.2016): Check regarding wrong observation epochs is done during
+                          latency check as well to prevent erroneous latencies
+- FIXED   (08.06.2016): Map generation from sourcetable entry
+- FIXED   (02.06.2016): the approach how to wait for clock corrections in PPP mode,
+                        which was well proven in BNC verson 2.11 is re-implemented
+- FIXED   (30.05.2016): Some NMEA components in PPP output are fixed:
+                          time stamp is now UTC, hDop value instead pDop value
+
+## 2.12.2 (2016-05-18)
+- ADDED   (18.05.2013): Expected observations in RINEX QC
+- ADDED   (12.05.2016): Limits for spherical harmonics/degree order extended
+- FIXED   (12.05.2016): Wrong RINEX v2 header line excluded
+
+## 2.12.1 (2016-04-21)
+- FIXED   (21.04.2016): RINEX v2 file naming for observation files
+- CHANGED (21.04.2016): Release number is now part of BNC version
+
+## 2.12.0 (2016-04-19)
+
