1   /* Copyright 2022-2025 Thales Alenia Space
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.propagation.analytical.gnss.data;
18  
19  import org.orekit.time.TimeStamped;
20  
21  /** Interface for navigation messages.
22   * @author Luc Maisonobe
23   * @since 14.0
24   */
25  public interface NavigationMessage extends TimeStamped {
26  
27      /** Get navigation message type.
28       * @return the navigation message type
29       */
30      String getNavigationMessageType();
31  
32      /** Get navigation message subtype.
33       * @return the navigation message type
34       */
35      String getNavigationMessageSubType();
36  
37  }