GPSOrbitalElements.java
- /* Copyright 2002-2020 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.propagation.analytical.gnss;
- /** This interface provides the minimal set of orbital elements needed by the {@link GPSPropagator}.
- *
- * @see <a href="http://www.gps.gov/technical/icwg/IS-GPS-200H.pdf">GPS Interface Specification</a>
- * @author Pascal Parraud
- * @since 8.0
- *
- */
- public interface GPSOrbitalElements extends GNSSOrbitalElements {
- // Constants
- /** WGS 84 value of the Earth's universal gravitational parameter for GPS user in m³/s². */
- double GPS_MU = 3.986005e+14;
- /** Value of Pi for conversion from semicircles to radian. */
- double GPS_PI = 3.1415926535898;
- /** Duration of the GPS week in seconds. */
- double GPS_WEEK_IN_SECONDS = 604800.;
- /** Number of weeks in the GPS cycle. */
- int GPS_WEEK_NB = 1024;
- /**
- * Gets the Issue Of Data Clock (IODC).
- *
- * @return the Issue Of Data Clock (IODC)
- * @since 9.3
- */
- default int getIODC() {
- return 0;
- }
- /**
- * Gets the Issue Of Data Ephemeris (IODE).
- *
- * @return the Issue Of Data Ephemeris (IODE)
- * @since 9.3
- */
- default int getIODE() {
- return 0;
- }
- /**
- * Gets the estimated group delay differential TGD for L1-L2 correction.
- *
- * @return the estimated group delay differential TGD for L1-L2 correction (s)
- * @since 9.3
- */
- default double getTGD() {
- return 0.0;
- }
- }