/* Copyright 2002-2025 CS GROUP
    * Licensed to CS GROUP (CS) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * CS licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.orekit.files.rinex.navigation.parsers;
  
  import org.hipparchus.util.FastMath;
  import org.orekit.errors.OrekitException;
  import org.orekit.errors.OrekitMessages;
  import org.orekit.files.rinex.navigation.EarthOrientationParameterMessage;
  import org.orekit.files.rinex.navigation.IonosphereBDGIMMessage;
  import org.orekit.files.rinex.navigation.IonosphereGlonassCdmsMessage;
  import org.orekit.files.rinex.navigation.IonosphereKlobucharMessage;
  import org.orekit.files.rinex.navigation.IonosphereNavICKlobucharMessage;
  import org.orekit.files.rinex.navigation.IonosphereNavICNeQuickNMessage;
  import org.orekit.files.rinex.navigation.IonosphereNequickGMessage;
  import org.orekit.files.rinex.navigation.IonosphericCorrectionType;
  import org.orekit.files.rinex.navigation.KlobucharIonosphericCorrection;
  import org.orekit.files.rinex.navigation.NeQuickGIonosphericCorrection;
  import org.orekit.files.rinex.navigation.RecordType;
  import org.orekit.files.rinex.navigation.RinexNavigation;
  import org.orekit.files.rinex.navigation.RinexNavigationHeader;
  import org.orekit.files.rinex.navigation.SystemTimeOffsetMessage;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.BeidouCnv123Parser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.BeidouD1D2Parser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.GPSCnavParser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.GPSLnavParser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.GalileoParser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.GlonassCdmaParser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.GlonassFdmaParser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.NavICL1NvParser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.NavICLnavParser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.QzssCnavParser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.QzssLnavParser;
  import org.orekit.files.rinex.navigation.parsers.ephemeris.SbasParser;
  import org.orekit.files.rinex.navigation.parsers.ionosphere.BdgimParser;
  import org.orekit.files.rinex.navigation.parsers.ionosphere.GlonassCdmsGParser;
  import org.orekit.files.rinex.navigation.parsers.ionosphere.KlobucharParser;
  import org.orekit.files.rinex.navigation.parsers.ionosphere.NavICKlobucharParser;
  import org.orekit.files.rinex.navigation.parsers.ionosphere.NavICNeQuickNParser;
  import org.orekit.files.rinex.navigation.parsers.ionosphere.NeQuickGParser;
  import org.orekit.files.rinex.utils.ParsingUtils;
  import org.orekit.gnss.PredefinedGnssSignal;
  import org.orekit.gnss.SatelliteSystem;
  import org.orekit.propagation.analytical.gnss.data.BeidouCivilianNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.BeidouLegacyNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.GLONASSFdmaNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.GPSCivilianNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.GPSLegacyNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.GalileoNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.NavICL1NvNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.NavICLegacyNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.QZSSCivilianNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.QZSSLegacyNavigationMessage;
  import org.orekit.propagation.analytical.gnss.data.SBASNavigationMessage;
  import org.orekit.time.AbsoluteDate;
  import org.orekit.time.TimeScale;
  import org.orekit.time.TimeScales;
  import org.orekit.utils.units.Unit;
  
  /** Container for parsing data.
   * @author Bryan Cazabonne
   * @author Luc Maisonobe
   * @since 14.0
   */
  public class ParseInfo {
  
      /** Index of field 1 (not counting variable initial spaces). */
      private static  final int INDEX_1 = 0;
  
      /** Index of field 2 (not counting variable initial spaces). */
      private static  final int INDEX_2 = 19;
  
      /** Index of field 3 (not counting variable initial spaces). */
      private static  final int INDEX_3 = 38;
  
      /** Index of field 4 (not counting variable initial spaces). */
      private static  final int INDEX_4 = 57;
  
      /** Field length. */
      private static  final int LENGTH = 19;
  
      /** Name of the data source. */
      private final String name;
  
      /** Set of time scales for parsing dates. */
      private final TimeScales timeScales;
 
     /** The corresponding navigation messages file object. */
     private final RinexNavigation file;
 
     /** Number of initial spaces in messages lines. */
     private int initialSpaces;
 
     /** Flag indicating header has been completely parsed. */
     private boolean headerParsed;
 
     /** Ionospheric correction type. */
     private IonosphericCorrectionType ionosphericCorrectionType;
 
     /** Ionospheric correction time mark. */
     private char timeMark;
 
     /** Klobuchar α coefficients. */
     private double[] klobucharAlpha;
 
     /** Klobuchar β coefficients. */
     private double[] klobucharBeta;
 
     /** Record line parser. */
     private RecordLineParser recordLineParser;
 
     /** Current line. */
     private String line;
 
     /** Current global line number. */
     private int lineNumber;
 
     /** Current line number within the navigation message. */
     private int recordLineNumber;
 
     /** Constructor, build the ParseInfo object.
      * @param name name of the data source
      * @param timeScales set of time scales for parsing dates
      */
     public ParseInfo(final String name, final TimeScales timeScales) {
         // Initialize default values for fields
         this.name       = name;
         this.timeScales = timeScales;
         this.file       = new RinexNavigation();
 
         // reset the default values set by header constructor
         this.file.getHeader().setProgramName(null);
         this.file.getHeader().setRunByName(null);
         this.file.getHeader().setCreationDateComponents(null);
 
     }
 
     /** Parse a date.
      * @param system satellite system
      * @return parsed date
      * @since 14.0
      */
     public AbsoluteDate parseDate(final SatelliteSystem system) {
         return parseDate(system.getObservationTimeScale().getTimeScale(timeScales));
     }
 
     /** Parse a date.
      * @param timeScale time scale
      * @return parsed date
      * @since 14.0
      */
     public AbsoluteDate parseDate(final TimeScale timeScale) {
         final int year  = ParsingUtils.parseInt(line, 4, 4);
         final int month = ParsingUtils.parseInt(line, 9, 2);
         final int day   = ParsingUtils.parseInt(line, 12, 2);
         final int hours = ParsingUtils.parseInt(line, 15, 2);
         final int min   = ParsingUtils.parseInt(line, 18, 2);
         final int sec   = ParsingUtils.parseInt(line, 21, 2);
         return new AbsoluteDate(year, month, day, hours, min, sec, timeScale);
     }
 
     /** Parse field 1 of a message line.
      * @param unit unit to apply
      * @return parsed field
      * @since 14.0
      */
     public double parseDouble1(final Unit unit) {
         return parseDouble(unit, initialSpaces + INDEX_1);
     }
 
     /** Parse field 1 of a message line.
      * @return parsed field
      * @since 14.0
      */
     public int parseInt1() {
         return parseInt(initialSpaces + INDEX_1);
     }
 
     /** Parse field 2 of a message line.
      * @param unit unit to apply
      * @return parsed field
      * @since 14.0
      */
     public double parseDouble2(final Unit unit) {
         return parseDouble(unit, initialSpaces + INDEX_2);
     }
 
     /** Parse field 2 of a message line.
      * @return parsed field
      * @since 14.0
      */
     public int parseInt2() {
         return parseInt(initialSpaces + INDEX_2);
     }
 
     /** Parse field 3 of a message line.
      * @param unit unit to apply
      * @return parsed field
      * @since 14.0
      */
     public double parseDouble3(final Unit unit) {
         return parseDouble(unit, initialSpaces + INDEX_3);
     }
 
     /** Parse field 3 of a message line.
      * @return parsed field
      * @since 14.0
      */
     public int parseInt3() {
         return parseInt(initialSpaces + INDEX_3);
     }
 
     /** Parse field 4 of a message line.
      * @param unit unit to apply
      * @return parsed field
      * @since 14.0
      */
     public double parseDouble4(final Unit unit) {
         return parseDouble(unit, initialSpaces + INDEX_4);
     }
 
     /** Parse field 4 of a message line.
      * @return parsed field
      * @since 14.0
      */
     public int parseInt4() {
         return parseInt(initialSpaces + INDEX_4);
     }
 
     /** Parse raw field n of a message line.
      * @param index index of first field character
      * @return parsed field
      */
     private double rawDouble(final int index) {
         return ParsingUtils.parseDouble(line, index, LENGTH);
     }
 
     /** Parse field n of a message line.
      * @param unit unit to apply
      * @param index index of first field character
      * @return parsed field
      */
     private double parseDouble(final Unit unit, final int index) {
         return unit.toSI(rawDouble(index));
     }
 
     /** Parse field n of a message line.
      * @param index index of first field character
      * @return parsed field
      */
     private int parseInt(final int index) {
         return (int) FastMath.rint(rawDouble(index));
     }
 
     /** Parse a comment.
      */
     public void parseComment() {
         ParsingUtils.parseComment(lineNumber, line, file);
     }
 
     /** Ensure navigation record has been closed.
      */
     public void closePendingRecord() {
         if (recordLineParser != null) {
             recordLineParser.closeRecord(file);
             recordLineParser = null;
         }
     }
 
     /** Get the file name.
      * @return file name
      */
     public String getName() {
         return name;
     }
 
     /** Get the time scales.
      * @return time scales
      */
     public TimeScales getTimeScales() {
         return timeScales;
     }
 
     /** Get the completed file.
      * @return completed file
      */
     public RinexNavigation getCompletedFile() {
 
         // check the header has been properly parsed
         if (!headerParsed) {
             throw new OrekitException(OrekitMessages.UNEXPECTED_END_OF_FILE, name);
         }
 
         // close the last message
         closePendingRecord();
 
         return file;
 
     }
 
     /** Get the navigation file header.
      * @return navigation file header
      */
     public RinexNavigationHeader getHeader() {
         return file.getHeader();
     }
 
     /** Set the header parsing indicator.
      * @param headerParsed if true, header has been parsed
      */
     public void setHeaderParsed(final boolean headerParsed) {
         this.headerParsed = headerParsed;
     }
 
     /** Set the number of initial spaces in messages lines.
      * @param initialSpaces number of initial spaces in messages lines
      */
     public void setInitialSpaces(final int initialSpaces) {
         this.initialSpaces = initialSpaces;
     }
 
     /** Get the current line.
      * @return current line
      */
     public String getLine() {
         return line;
     }
 
     /** set the current line.
      * @param line current line
      */
     public void setLine(final String line) {
         this.line = line;
         ++lineNumber;
     }
 
     /** Get the line number.
      * @return line number
      */
     public int getLineNumber() {
         return lineNumber;
     }
 
     /** Get the line number within the navigation record.
      * @return line number within the navigation record
      */
     public int getRecordLineNumber() {
         return recordLineNumber;
     }
 
     /** Set the record line parser.
      * @param recordType retord type
      */
     public void setRecordLineParser(final RecordType recordType) {
         final SatelliteSystem system  = SatelliteSystem.parseSatelliteSystem(ParsingUtils.parseString(line, 6, 1));
         final int             prn     = ParsingUtils.parseInt(line, 7, 2);
         final String          type    = ParsingUtils.parseString(line, 10, 4);
         final String          subtype = ParsingUtils.parseString(line, 15, 4);
         setRecordLineParser(recordType, system, prn, type, subtype);
     }
 
     /** Set the record line parser.
      * @param recordType retord type
      * @param system satellite system
      * @param prn satellite number
      * @param messageType message type
      * @param subType subtype
      */
     public void setRecordLineParser(final RecordType recordType,
                                     final SatelliteSystem system, final int prn,
                                     final String messageType, final String subType) {
 
         // Set the line number to 0
         recordLineNumber = 0;
 
         closePendingRecord();
 
         recordLineParser = null;
         switch (recordType) {
             case STO:
                 recordLineParser = buildStoRecordLineParser(system, prn, messageType, subType);
                 break;
             case EOP:
                 recordLineParser = buildEopRecordLineParser(system, prn, messageType, subType);
                 break;
             case ION:
                 recordLineParser = buildIonRecordLineParser(system, prn, messageType, subType);
                 break;
             case ORBIT :
                 recordLineParser = buildEphRecordLineParser(system, messageType);
                 break;
             default :
                 // do nothing, handle error after the switch
         }
 
         if (recordLineParser == null) {
             throw new OrekitException(OrekitMessages.UNABLE_TO_PARSE_LINE_IN_FILE,
                                       lineNumber, name, line);
         }
 
     }
 
     /** Build a line parser for system time offset record.
      * @param system satellite system
      * @param prn satellite number
      * @param messageType message type
      * @param subType subtype
      * @return built record container
      */
     private RecordLineParser buildStoRecordLineParser(final SatelliteSystem system, final int prn,
                                                       final String messageType, final String subType) {
         return new SystemTimeOffsetParser(this, new SystemTimeOffsetMessage(system, prn,
                                                                             messageType, subType));
     }
 
     /** Build a line parser for Earth Orientation Parameter record.
      * @param system satellite system
      * @param prn satellite number
      * @param messageType message type
      * @param subType subtype
      * @return built record container
      */
     private RecordLineParser buildEopRecordLineParser(final SatelliteSystem system, final int prn,
                                                       final String messageType, final String subType) {
         return new EarthOrientationParameterParser(this, new EarthOrientationParameterMessage(system, prn,
                                                                                               messageType, subType));
     }
 
     /** Build a line parser for ionosphere record.
      * @param system satellite system
      * @param prn satellite number
      * @param messageType message type
      * @param subType subtype
      * @return built record container
      */
     private RecordLineParser buildIonRecordLineParser(final SatelliteSystem system, final int prn,
                                                       final String messageType, final String subType) {
         if (system == SatelliteSystem.GALILEO) {
             return new NeQuickGParser(this, new IonosphereNequickGMessage(system, prn, messageType, subType));
         } else if (system == SatelliteSystem.BEIDOU && "CNVX".equals(messageType)) {
             // in Rinex 4.00, tables A32 and A34 (A35 and A37 in Rinex 4.02) are ambiguous
             // as both seem to apply to Beidou CNVX messages; we consider BDGIM is the
             // proper model in this case
             return new BdgimParser(this, new IonosphereBDGIMMessage(system, prn, messageType, subType));
         } else if (system == SatelliteSystem.NAVIC &&
                    NavICL1NvNavigationMessage.L1NV.equals(messageType) &&
                    "KLOB".equals(subType)) {
             return new NavICKlobucharParser(this, new IonosphereNavICKlobucharMessage(system, prn, messageType, subType));
         } else if (system == SatelliteSystem.NAVIC &&
                    NavICL1NvNavigationMessage.L1NV.equals(messageType) &&
                   "NEQN".equals(subType)) {
             return new NavICNeQuickNParser(this, new IonosphereNavICNeQuickNMessage(system, prn, messageType, subType));
         } else if (system == SatelliteSystem.GLONASS) {
             return new GlonassCdmsGParser(this, new IonosphereGlonassCdmsMessage(system, prn, messageType, subType));
         } else  {
             return new KlobucharParser(this, new IonosphereKlobucharMessage(system, prn, messageType, subType));
         }
     }
 
     /** Build a line parser for ephemeris records.
      * @param system satellite system
      * @param messageType message type
      * @return record parser for ephemeris message
      */
     private RecordLineParser buildEphRecordLineParser(final SatelliteSystem system, final String messageType) {
         switch (system) {
             case GPS:
                 if (messageType == null || messageType.equals(GPSLegacyNavigationMessage.LNAV)) {
                     // in Rinex, week number is aligned to GPS week!
                     return new GPSLnavParser(this,
                                              new GPSLegacyNavigationMessage(timeScales,
                                                                             SatelliteSystem.GPS,
                                                                             GPSLegacyNavigationMessage.LNAV));
                 } else if (messageType.equals(GPSCivilianNavigationMessage.CNAV)) {
                     // in Rinex, week number is aligned to GPS week!
                     return new GPSCnavParser(this,
                                              new GPSCivilianNavigationMessage(false,
                                                                               timeScales,
                                                                               SatelliteSystem.GPS,
                                                                               GPSCivilianNavigationMessage.CNAV));
                 } else if (messageType.equals(GPSCivilianNavigationMessage.CNV2)) {
                     // in Rinex, week number is aligned to GPS week!
                     return new GPSCnavParser(this,
                                              new GPSCivilianNavigationMessage(true,
                                                                               timeScales,
                                                                               SatelliteSystem.GPS,
                                                                               GPSCivilianNavigationMessage.CNV2));
                 }
                 break;
             case GALILEO:
                 if (messageType == null || messageType.equals(GalileoNavigationMessage.INAV) || messageType.equals(
                     GalileoNavigationMessage.FNAV)) {
                     // in Rinex, week number is aligned to GPS week!
                     return new GalileoParser(this, new GalileoNavigationMessage(timeScales,
                                                                                 SatelliteSystem.GPS,
                                                                                 messageType));
                 }
                 break;
             case GLONASS:
                 if (messageType == null || messageType.equals("FDMA")) {
                     return new GlonassFdmaParser(this, new GLONASSFdmaNavigationMessage());
                 } else if (messageType.equals("L1OC") || messageType.equals("L3OC")) {
                     return new GlonassCdmaParser(this);
                 }
                 break;
             case QZSS:
                 if (messageType == null || messageType.equals(QZSSLegacyNavigationMessage.LNAV)) {
                     // in Rinex, week number is aligned to GPS week!
                     return new QzssLnavParser(this,
                                               new QZSSLegacyNavigationMessage(timeScales,
                                                                               SatelliteSystem.GPS,
                                                                               QZSSLegacyNavigationMessage.LNAV));
                 } else if (messageType.equals(QZSSCivilianNavigationMessage.CNAV)) {
                     // in Rinex, week number is aligned to GPS week!
                     return new QzssCnavParser(this,
                                               new QZSSCivilianNavigationMessage(false,
                                                                                 timeScales,
                                                                                 SatelliteSystem.GPS,
                                                                                 QZSSCivilianNavigationMessage.CNAV));
                 } else if (messageType.equals(QZSSCivilianNavigationMessage.CNV2)) {
                     // in Rinex, week number is aligned to GPS week!
                     return new QzssCnavParser(this,
                                               new QZSSCivilianNavigationMessage(true,
                                                                                 timeScales,
                                                                                 SatelliteSystem.GPS,
                                                                                 QZSSCivilianNavigationMessage.CNV2));
                 }
                 break;
             case BEIDOU:
                 if (messageType == null || messageType.equals(BeidouLegacyNavigationMessage.D1) || messageType.equals(
                     BeidouLegacyNavigationMessage.D2)) {
                     // in Rinex, week number for Beidou is really aligned to Beidou week!
                     return new BeidouD1D2Parser(this,
                                                 new BeidouLegacyNavigationMessage(timeScales,
                                                                                   SatelliteSystem.BEIDOU,
                                                                                   messageType));
                 } else if (messageType.equals(BeidouCivilianNavigationMessage.CNV1)) {
                     // in Rinex, week number for Beidou is really aligned to Beidou week!
                     return new BeidouCnv123Parser(this,
                                                   new BeidouCivilianNavigationMessage(PredefinedGnssSignal.B1C,
                                                                                       timeScales,
                                                                                       SatelliteSystem.BEIDOU,
                                                                                       BeidouCivilianNavigationMessage.CNV1));
                 } else if (messageType.equals(BeidouCivilianNavigationMessage.CNV2)) {
                     // in Rinex, week number for Beidou is really aligned to Beidou week!
                     return new BeidouCnv123Parser(this,
                                                   new BeidouCivilianNavigationMessage(PredefinedGnssSignal.B2A,
                                                                                       timeScales,
                                                                                       SatelliteSystem.BEIDOU,
                                                                                       BeidouCivilianNavigationMessage.CNV2));
                 } else if (messageType.equals(BeidouCivilianNavigationMessage.CNV3)) {
                     // in Rinex, week number for Beidou is really aligned to Beidou week!
                     return new BeidouCnv123Parser(this,
                                                   new BeidouCivilianNavigationMessage(PredefinedGnssSignal.B2B,
                                                                                       timeScales,
                                                                                       SatelliteSystem.BEIDOU,
                                                                                       BeidouCivilianNavigationMessage.CNV3));
                 }
                 break;
             case NAVIC:
                 if (messageType == null || messageType.equals(NavICLegacyNavigationMessage.LNAV)) {
                     // in Rinex, week number is aligned to GPS week!
                     return new NavICLnavParser(this,
                                                new NavICLegacyNavigationMessage(timeScales,
                                                                                 SatelliteSystem.GPS,
                                                                                 NavICLegacyNavigationMessage.LNAV));
                 } else if (messageType.equals(NavICL1NvNavigationMessage.L1NV)) {
                     // in Rinex, week number is aligned to GPS week!
                     return new NavICL1NvParser(this,
                                                new NavICL1NvNavigationMessage(timeScales,
                                                                               SatelliteSystem.GPS,
                                                                               NavICL1NvNavigationMessage.L1NV));
                 }
                 break;
             case SBAS:
                 if (messageType == null || messageType.equals("SBAS")) {
                     return new SbasParser(this, new SBASNavigationMessage());
                 }
                 break;
             default:
                 // do nothing, handle error after the switch
         }
 
         // no parse could be set up
         return null;
 
     }
 
     /** Get the message line parser.
      * @return message line parser
      */
     public RecordLineParser getRecordLineParser() {
         return recordLineParser;
     }
 
     /** Parse next record line.
      */
     public void parseRecordLine() {
         switch (++recordLineNumber) {
             case 1: recordLineParser.parseLine01();
             break;
             case 2: recordLineParser.parseLine02();
             break;
             case 3: recordLineParser.parseLine03();
             break;
             case 4: recordLineParser.parseLine04();
             break;
             case 5: recordLineParser.parseLine05();
             break;
             case 6: recordLineParser.parseLine06();
             break;
             case 7: recordLineParser.parseLine07();
             break;
             case 8: recordLineParser.parseLine08();
             break;
             case 9: recordLineParser.parseLine09();
             break;
             default:
                 // this should never happen
                 throw new OrekitException(OrekitMessages.UNABLE_TO_PARSE_LINE_IN_FILE,
                                           lineNumber, name, line);
         }
     }
 
     /**
      * Set the ionospheric correction type.
      * @param ionosphericCorrectionType ionospheric correction type
      * @since 14.0
      */
     public void setIonosphericCorrectionType(final IonosphericCorrectionType ionosphericCorrectionType) {
         this.ionosphericCorrectionType = ionosphericCorrectionType;
     }
 
     /**
      * Set the ionospheric correction time mark.
      * @param timeMark ionospheric correction time mark
      * @since 14.0
      */
     public void setTimeMark(final char timeMark) {
         this.timeMark = timeMark;
     }
 
     /**
      * Set the α ionospheric parameters.
      * @param klobucharAlpha the α ionospheric parameters to set
      */
     public void setKlobucharAlpha(final double[] klobucharAlpha) {
         this.klobucharAlpha = klobucharAlpha.clone();
         setKlobucharIfComplete();
     }
 
     /**
      * Set the β ionospheric parameters.
      * @param klobucharBeta the β ionospheric parameters to set
      */
     public void setKlobucharBeta(final double[] klobucharBeta) {
         this.klobucharBeta = klobucharBeta.clone();
         setKlobucharIfComplete();
     }
 
     /** Add the Klobuchar correction if it is complete.
      */
     private void setKlobucharIfComplete() {
         if (klobucharAlpha != null && klobucharBeta != null) {
             file.getHeader().addIonosphericCorrection(new KlobucharIonosphericCorrection(ionosphericCorrectionType,
                                                                                          timeMark,
                                                                                          klobucharAlpha,
                                                                                          klobucharBeta));
             ionosphericCorrectionType = null;
             timeMark                  = 0;
             klobucharAlpha            = null;
             klobucharBeta             = null;
         }
     }
 
     /**
      * Set the α ionospheric parameters.
      * @param neQuickAlpha the α ionospheric parameters to set
      */
     public void setNeQuickAlpha(final double[] neQuickAlpha) {
         file.getHeader().addIonosphericCorrection(new NeQuickGIonosphericCorrection(ionosphericCorrectionType,
                                                                                     timeMark,
                                                                                     neQuickAlpha));
         ionosphericCorrectionType = null;
         timeMark                  = 0;
     }
 
 }