1 /* Copyright 2002-2024 CS GROUP
2 * Licensed to CS GROUP (CS) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * CS licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.orekit.time;
18
19 /** QZSS time scale.
20 * <p>By convention, TQZSS = TAI - 19 s.</p>
21 * <p>The time scale is defined in <a
22 * href="http://qzss.go.jp/en/technical/download/pdf/ps-is-qzss/is-qzss-pnt-003.pdf?t=1549268771755">
23 * Quasi-Zenith Satellite System Navigation Service - Interface Specification for QZSS</a> version 1.6, 2014.
24 * </p>
25 * <p>This is intended to be accessed thanks to {@link TimeScales},
26 * so there is no public constructor.</p>
27 * @author Luc Maisonobe
28 * @see AbsoluteDate
29 */
30 public class QZSSScale extends ConstantOffsetTimeScale {
31
32 /** Serializable UID. */
33 private static final long serialVersionUID = 20240321L;
34
35 /** Package private constructor for the factory.
36 */
37 QZSSScale() {
38 super("QZSS", -19);
39 }
40
41 }