| 1 | # Changelog
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| 2 | ## 2.13.7 (2026-??-??)
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| 3 | - ADDED: PPP-AR Algorithm description is now part of BNCs help contents
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| 4 | - ADDED: L1C/B (RINEX code: '1E') in QZSS Signal ID Mapping
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| 5 | - ADDED: Minimum Elevation parameter to BNC's RINEX Editing & QC feature [(#195)](https://software.rtcm-ntrip.org/ticket/195)
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| 6 | - FIXED: BNC is now able to work with com ports with higher numbers, e.g. COM11 or COM17 [(#205)](https://software.rtcm-ntrip.org/ticket/205)
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| 7 | - FIXED: Handling of ionospheric constraints [(#220)](https://software.rtcm-ntrip.org/ticket/220)
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| 8 |
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| 9 |
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| 10 | ## 2.13.6 (2026-05-05)
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| 11 | - ADDED: **Multi-Frequency PPP capability**
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| 12 | - ADDED: **Ambiguity Resolution (PPP with AR)** using the Best Integer Equivariant algorithm (BIE) as algorithm for the ambiguity resolution
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| 13 | - FIXED: Bug within NavIC broadcast ephemeris encoding/decoding
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| 14 | - FIXED: Bug for finding client certificates
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| 15 | - FIXED: sign of biases, which is defined different in SSR and SINEX
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| 16 | - FIXED: Bug in IGS SSR Epoch Time, which is defined as follows: Full seconds since the beginning of the week of continuous time scale with no offset from GPS, Galileo, QZSS, SBAS, UTC leap seconds from GLONASS, -14 s offset from BDS
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| 17 |
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| 18 | ## 2.13.5 (2025-10-11)
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| 19 | - FIXED: The serial port is introduced as case sensitive and supports a wider range of interfaces with it
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| 20 |
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| 21 | ## 2.13.4 (2025-09-02)
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| 22 | - ADDED: **NtripServer Functionallity:** BNC can upload streams in any format to another caster installation
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| 23 |
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| 24 | ## 2.13.3 (2025-07-18)
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| 25 | - FIXED: Bug in RINEX QC (RINEX version 2)
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| 26 | - FIXED: Bug in RTNET upload
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| 27 | - ADDED: Orbit and attitude correction in combination approach
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| 28 | - ADDED: RTCM message 1230 (on-change) and the size of each RTCM message in scanRTCM()
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| 29 | - CHANGED: Bind all outPorts to localHost
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| 30 |
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| 31 | ## 2.13.2 (2025-03-21)
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| 32 | - FIXED: Bug in SBAS health check
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| 33 | - FIXED: BUG in reading the RTNET format [(#198)](https://software.rtcm-ntrip.org/ticket/198)
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| 34 | - FIXED: Bug in writing code biases into a SSR file
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| 35 | - FIXED: Bug in GLO ephemeris RTCM3 encoder
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| 36 | - FIXED: Bug in BDT methods
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| 37 | - FIXED: Obs types from skl file can be used now to write them into RINEX version 3 AND 4 observation files as configured
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| 38 | - ADDED: 24:00 epoch in orbit and clock product files
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| 39 | - ADDED: Nav Type considerred in all applications: GPS/QZSS/NavIC: LNAV, GLONASS: FDMA_M, Galileo: I/NAV, BDS: D1/D2, SBAS: SBASL1
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| 40 | - ADDED: Service CRS and RTCM CRS message encodung and decoding
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| 41 | - ADDED: Data field range checks within RTCM3 ephemeris decoders mainly regarding TOC and TOE
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| 42 | - ADDED: Decoder string 'ZERO2FILE': Using this, BNC allows to by-pass its decoders and directly save the input in daily log files
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| 43 | - CHANGED: Decoder string 'ZERO' means now that the raw data are forwarded only
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| 44 | - CHANGED: According to the Galileo OS SDD v1.3 SHS=2 now leads to a newly-defined "EOM" status that means that the satellite signal may be used for PNT [(#185)](https://software.rtcm-ntrip.org/ticket/185)
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| 45 | - CHANGED: Obsolete qt-class members are replaced
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| 46 | - CHNAGED: from common receiver clock + ISBs to system specific receiver clocks in PPP mode
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| 47 | - CHANGED: 'IRNSS' replaced by 'NavIC'
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| 48 |
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| 49 | ## 2.13.1 (2024-04-30)
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| 50 | - FIXED: Health status of Galileo satellites is now determined by the combination of HS, DVS and SISA [(#174)](https://software.rtcm-ntrip.org/ticket/174)
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| 51 | - FIXED: Bug regarding the reading of the RINEX Version 4 Navigation files
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| 52 | - FIXED: Bug regarding the flexibel usage of any port in secure mode
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| 53 | - ADDED: A check in PPP and combination mode if stored ephemerides are still valid [(#176)](https://software.rtcm-ntrip.org/ticket/176)
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| 54 | - ADDED: A SIGHUP signal to BNC will result into a reload of its configuration file [(#179)](https://software.rtcm-ntrip.org/ticket/179)
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| 55 | - ADDED: The possibility to exclude satellites or satellite systems for individual ACs from the combination.
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| 56 | - ADDED: The possibility to ignore orbit corrections from an indiviul AC that differ by more than 'Maximal Orb Displacement' meters from the average of all orbit corrections per satellite.
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| 57 | - CHANGED: hDOP and vDOP values are computed from the variances of the NEU components of the receiver position estimates
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| 58 | - CHANGED: Sampling interval for Manual NMEA can be used now in the Auto NMEA option as well [(#122)](https://software.rtcm-ntrip.org/ticket/122)
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| 59 |
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| 60 | ## 2.13.0 (2023-12-01)
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| 61 | - ADDED: **RINEX Version 4 Support** (in navigation files currently the EPH message type is considered only)
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| 62 | - ADDED: **PPP Client Upgrade**
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| 63 | - ADDED: Multi-GNSS-PPP using uncombined code and/or phase data of two frequencies
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| 64 | - ADDED: Multi-GNSS-PPP using uncombined code and/or phase data of one frequency
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| 65 | - ADDED: Ionospheric constraints in form of pseudo observations can be added
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| 66 | - ADDED: **Ntrip Version 2.0 Upload including TLS**
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| 67 | - ADDED: **Multi-GNSS Satellite Clock Combination**
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| 68 | - ADDED: Individual code biases will be considered before satellite clocks are combined
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| 69 | - ADDED: Satellite clock combination result includes code biases
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| 70 | - ADDED: Ephemerides upload for different systems in parallel
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| 71 | - ADDED: **Multi-GNSS SP3, Clock RINEX and SINEX Bias** support
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| 72 | - ADDED: QC multipath analysis for more than two signals
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| 73 | - ADDED: Transition from Qt4 to **Qt5**
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| 74 |
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| 75 |
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| 76 | ## 2.12.19 (2022-04-04)
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| 77 | - CHANGED: Minimum combination sampling interval
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| 78 |
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| 79 |
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| 80 | ## 2.12.18 (2021-09-28)
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| 81 | - FIXED: Bug in ephemeris check
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| 82 | - ADDED: Satellite antenna phase center correction
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| 83 | - CHANGED: Some OSM updates to force https usage and another crossOriginKeyword
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| 84 | - CHANGED: Signal usage in BDS PPP
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| 85 |
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| 86 |
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| 87 | ## 2.12.17 (2021-04-20)
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| 88 | - FIXED: Bug in SSR GLONASS upload
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| 89 | - FIXED: Redundant output concerning unhealthy satellites
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| 90 | - ADDED: One more line with satellite health flags for the GLONASS navigation message as defined in RINEX v. 3.05
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| 91 |
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| 92 |
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| 93 | ## 2.12.16 (2021-02-25)
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| 94 | - FIXED: Bug in IRNSS ephemeris encoding / decoding
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| 95 | - FIXED: Bug in RTCM3coDecoder regrading SSR format
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| 96 | - FIXED: Bug regarding consideration of incoming ephemerides
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| 97 | - FIXED: Bug regarding latency check
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| 98 | - FIXED: Relativistic effects are adapted with respect to the respective GNSS ICD
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| 99 | - FIXED: Bug regarding the generation of combined SSR orbit and clock messages
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| 100 | - FIXED: Bug within ephemeris check
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| 101 | - ADDED: Check to prevent the same eph data sets with different TOC values
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| 102 | - CHANGED: A priori coordinates within examples are updated
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| 103 | - CHANGED: Changes to prevent erroneous ephemeris data sets from usage in combination
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| 104 | - CHANGED: Small format adaptations regarding latency check
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| 105 | - CHANGED: Range of MSM messages enlarged to 1237
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| 106 | - CHANGED: PPP map now with OSM only
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| 107 |
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| 108 |
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| 109 | ## 2.12.15 (2020-11-10)
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| 110 | - FIXED: Cleanup of the example configurations
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| 111 | - FIXED: Bug regarding long mountpoint names in latency check and latency plots
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| 112 | - FIXED: Bug in clock rinex header line
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| 113 | - ADDED: Ephemeris checks and related debugging output
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| 114 | - ADDED: Check if orbit and clock corrections are out of range
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| 115 | - CHANGED: Cleanup of the relativistic effects w.r.t. IGS-SSR
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| 116 |
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| 117 | ## 2.12.14 (2020-09-04)
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| 118 | - ADDED: Encoding and decoding of IGS-SSR messages
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| 119 | - ADDED: B2b/7D BDS in signal mapping for MSM
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| 120 | - CHANGED: IRNSS experimental in official ephemeris message number
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| 121 | - CHANGED: Lock Time Indicator is replaced by cycle slip counter in feed engine output
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| 122 |
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| 123 | ## 2.12.13 (2020-06-09)
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| 124 | - FIXED: QZSS fit Interval is specified as flag in RINEX 3.04
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| 125 | - CHANGED: BDS SSR IOD is changed from 24 into 8 bit
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| 126 | - CHANGED: BDS and QZSS SSR signal and tracking mode is adapted
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| 127 |
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| 128 | ## 2.12.12 (2020-01-21)
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| 129 | - ADDED: GPS and QZSS fit Interval in hours
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| 130 | - CHANGED: Epehmeris check
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| 131 |
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| 132 | ## 2.12.11 (2019-11-08)
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| 133 | - CHANGED:: Harmonization of RTCM3 Signal ID Mapping and RTCM SSR Signal and Tracking Mode Identifiers for BDS and QZSS
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| 134 |
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| 135 | ## 2.12.10 (2019-10-02)
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| 136 | - FIXED: Multiple message indicator in SSR messages
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| 137 | - FIXED: GLONASS message frame time written into RINEX files
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| 138 | - ADDED: IRNSS ephemeris support in RTCM3 Encoder
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| 139 | - ADDED: IRNSS MSM and ephemeris support in RTCM3 Decoder
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| 140 | - CHANGED: RTCM signal mapping IDs for GLONASS
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| 141 | - CHANGED: RTCM signal mapping IDs for BDS based on RTCM BDSWG proposal from 9/2019 as far as consistent with RINEX v 3.04
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| 142 | - CHANGED: Up to 64 BDS prn codes are supported now
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| 143 |
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| 144 |
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| 145 | ## 2.12.9 (2019-05-20)
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| 146 | - FIXED: Method to read the RTNET data buffer
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| 147 | - FIXED: Typo in rtnet2ssr transition for ssr upload
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| 148 | - CHANGED: Number of possible phase biases for SSR upload are enlarged to 100
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| 149 | - CHANGED: Missing phase biases are added within rtnet2ssr transition for ssr upload
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| 150 |
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| 151 |
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| 152 | ## 2.12.8 (2019-05-06)
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| 153 | - FIXED: Bug with respect to GLONASS upload
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| 154 | - FIXED: Bug in NMEA output
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| 155 | - CHANGED: Transformation parameters from ITRF2014 into DFREF91
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| 156 | - CHANGED: Transformation parameters from ITRF2014 into ETRF2000
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| 157 | - CHANGED: GLONASS ephemerides validity is now up to 2 hours.
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| 158 | - CHANGED: Check with respect to wrong observation epochs
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| 159 |
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| 160 |
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| 161 | ## 2.12.7 (2019-04-03)
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| 162 | - FIXED: Bug in NMEA checksum
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| 163 | - FIXED: Bug in RINEX file concatenation
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| 164 | - FIXED: Bug in RTCM3 ephemeris message for QZSS
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| 165 | - FIXED: Bug in RTCM3 ephemeris message for BDS and SBAS
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| 166 | - FIXED: RINEX version 3 filenames for re-sampled files
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| 167 | - FIXED: Bug in reqc ephemeris check
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| 168 | - FIXED: Bug in RINEX file concatenation
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| 169 | - FIXED: Bug in ephemeris upload
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| 170 | - FIXED: Bug in ephemeris check
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| 171 | - FIXED: Bug in latency check
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| 172 | - FIXED: Galileo geocentric gravitational constant is corrected
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| 173 | - FIXED: Encoding/decoding of all missing parameters in MT 1020
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| 174 | - FIXED: Bug in RTCM3 MSM Decoder
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| 175 | - ADDED: Updates regarding RINEX Version 3.04
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| 176 | - ADDED: Lock time in seconds as an optional feed engine output
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| 177 | - ADDED: Two more polynomial coefficients of the SSR clock correction message
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| 178 | - ADDED: One more parameter to describe the SSR URA
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| 179 | - ADDED: Decoding of receiver descriptor in MT 1033
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| 180 | - ADDED: Satellite health check
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| 181 | - ADDED: IRNSS support in RINEX QC
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| 182 | - CHANGED: Parameters for transformation of orbit and clock corrections from ITRF 2014 into ETRF2000 and DREF91,
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| 183 | - CHANGED: No updated transformation parameters for NDA83 available, hence deleted
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| 184 | - CHANGED: Allow 10 Hz observation data processing and re-sampling
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| 185 | - CHANGED: SSR SBAS and BDS satellite IDs with respect to the proposal
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| 186 | - CHANGED: Transformation of orbit and clock corrections into ETRF2000, NDA83 or DREF91 is done temporarily via ITRF2008
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| 187 |
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| 188 |
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| 189 | ## 2.12.6 (2017-09-26)
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| 190 | - FIXED:: GPS SSR Orbit IOD has to be GPS IODE, not IODC
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| 191 |
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| 192 | ## 2.12.5 (2017-08-30)
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| 193 | - CHANGED: RTCM message number for BDS is updated
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| 194 |
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| 195 | ## 2.12.4 (2017-04-10)
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| 196 | - CHANGED: SIRGAS2000 transformation parameters adjusted to IGb14
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| 197 | - CHANGED: Transformation parameters for ITRF2005 to GDA94 removed
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| 198 | - CHANGED: Transformation parameters for ITRF2008 to SIRGAS95 removed
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| 199 | - CHANGED: Transformation parameters for ITRF2014 to GDA2020 added
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| 200 |
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| 201 | ## 2.12.3 (2016-09-05)
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| 202 | - FIXED: Check regarding wrong observation epochs is done during latency check as well to prevent erroneous latencies
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| 203 | - FIXED: Map generation from sourcetable entry
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| 204 | - FIXED: Re-implementation of the well proven approach (from BNC version 2.11) on how to wait for clock corrections in PPP mode
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| 205 | - FIXED: Some NMEA components in PPP output: Time stamp is now UTC, hDop value instead pDop value
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| 206 | - FIXED: RINEX 2.11 ephemeris output for an unknown transmission time
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| 207 | - ADDED: Number of allowed SSR biases is enlarged,
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| 208 | -ADDED: Some future GLONASS signal and tracking mode identifiers
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| 209 | - ADDED: Data source information as comment within RINEX navigation file header
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| 210 | - ADDED: Frequency specific signal priorities are for RINEX v3 to RINEX v2 conversion
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| 211 | - ADDED: Consideration of provider ID changes in SSR streams during PPP analysis
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| 212 | - CHANGED: Small adaptations in qwtpolar sources to allow a successful compilation of BNC on a Raspberry Pi
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| 213 | - CHANGED: The real satellite visibility is considered, if the expected observations are computed in RINEX QC
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| 214 |
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| 215 |
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| 216 | ## 2.12.2 (2016-05-18)
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| 217 | - FIXED: Wrong RINEX v2 header line excluded
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| 218 | - ADDED: Expected observations in RINEX QC
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| 219 | - ADDED: Limits for spherical harmonics/degree order extended
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| 220 |
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| 221 | ## 2.12.1 (2016-04-21)
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| 222 | - FIXED: RINEX v2 file naming for observation files
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| 223 | - CHANGED: Release number is now part of BNC version
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| 224 |
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| 225 | ## 2.12.0 (2016-04-19)
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| 226 |
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