{'fraction_non_alphanumeric': 0.023109243697478993, 'fraction_numerical': 0.0, 'mean_word_length': 5.445945945945946, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
GPS in Navigational Applications

Abstract The Global Positioning System (GPS) is a very accurate positioning tool and has been successfully applied to surveying, geodesy, navigation and many other fields. The paper provides an overview of GPS in navigation. It first briefly describes the development and principles of GPS; then discusses the different GPS based positioning methods in navigation; and finally, reviews the various systems for air, land and marine navigation.