Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W3016972932', 'doi': None, 'title': 'High frequency sky-wave prediction methods and observational data for high-latitude communication circuits', 'display_name': 'High frequency sky-wave prediction methods and observational data for high-latitude communication circuits', 'publication_year': 1981, 'publication_date': '1981-01-01', 'ids': {'openalex': 'https://openalex.org/W3016972932', 'mag': '3016972932'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'http://ui.adsabs.harvard.edu/abs/1981icap.conf..258T/abstract', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306512621', 'display_name': 'icap', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5026897977', 'display_name': 'E. V. Thrane', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'E. V. Thrane', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5019814537', 'display_name': 'P.A. Bradley', 'orcid': 'https://orcid.org/0000-0002-2808-8206'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'P. A. Bradley', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 55}, 'biblio': {'volume': None, 'issue': None, 'first_page': '258', 'last_page': '262'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T13121', 'display_name': 'Radar Wave Propagation and Refractivity Estimation', 'score': 0.9371, 'subfield': {'id': 'https://openalex.org/subfields/2202', 'display_name': 'Aerospace Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T13121', 'display_name': 'Radar Wave Propagation and Refractivity Estimation', 'score': 0.9371, 'subfield': {'id': 'https://openalex.org/subfields/2202', 'display_name': 'Aerospace Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10767', 'display_name': 'Microwave Photonics and Optical Access Networks', 'score': 0.9287, 'subfield': {'id': 'https://openalex.org/subfields/2208', 'display_name': 'Electrical and Electronic Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T13816', 'display_name': 'Telecommunication Engineering and Network Management', 'score': 0.9188, 'subfield': {'id': 'https://openalex.org/subfields/2208', 'display_name': 'Electrical and Electronic Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/wireless-communications', 'display_name': 'Wireless Communications', 'score': 0.537434}, {'id': 'https://openalex.org/keywords/dynamic-bandwidth-allocation', 'display_name': 'Dynamic Bandwidth Allocation', 'score': 0.532631}, {'id': 'https://openalex.org/keywords/signal-processing', 'display_name': 'Signal Processing', 'score': 0.531512}, {'id': 'https://openalex.org/keywords/photonic-signal-processing', 'display_name': 'Photonic Signal Processing', 'score': 0.528255}, {'id': 'https://openalex.org/keywords/radar-propagation', 'display_name': 'Radar Propagation', 'score': 0.527065}, {'id': 'https://openalex.org/keywords/high-latitude', 'display_name': 'High latitude', 'score': 0.41030648}], 'concepts': [{'id': 'https://openalex.org/C73329638', 'wikidata': 'https://www.wikidata.org/wiki/Q527', 'display_name': 'Sky', 'level': 2, 'score': 0.5945085}, {'id': 'https://openalex.org/C23131810', 'wikidata': 'https://www.wikidata.org/wiki/Q818574', 'display_name': 'Observational study', 'level': 2, 'score': 0.5714406}, {'id': 'https://openalex.org/C62649853', 'wikidata': 'https://www.wikidata.org/wiki/Q199687', 'display_name': 'Remote sensing', 'level': 1, 'score': 0.48442486}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.44326502}, {'id': 'https://openalex.org/C122523270', 'wikidata': 'https://www.wikidata.org/wiki/Q34027', 'display_name': 'Latitude', 'level': 2, 'score': 0.41724157}, {'id': 'https://openalex.org/C2993248092', 'wikidata': 'https://www.wikidata.org/wiki/Q60670', 'display_name': 'High latitude', 'level': 3, 'score': 0.41030648}, {'id': 'https://openalex.org/C153294291', 'wikidata': 'https://www.wikidata.org/wiki/Q25261', 'display_name': 'Meteorology', 'level': 1, 'score': 0.37221348}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.36023757}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.27414525}, {'id': 'https://openalex.org/C13280743', 'wikidata': 'https://www.wikidata.org/wiki/Q131089', 'display_name': 'Geodesy', 'level': 1, 'score': 0.252417}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.25214013}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.19369921}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.17823401}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://ui.adsabs.harvard.edu/abs/1981icap.conf..258T/abstract', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306512621', 'display_name': 'icap', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/13', 'score': 0.53, 'display_name': 'Climate action'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W3204363009', 'https://openalex.org/W3185788373', 'https://openalex.org/W3153854461', 'https://openalex.org/W3093138309', 'https://openalex.org/W3089452160', 'https://openalex.org/W3082174356', 'https://openalex.org/W3081553512', 'https://openalex.org/W3049750449', 'https://openalex.org/W3041884615', 'https://openalex.org/W3036782330', 'https://openalex.org/W3024333619', 'https://openalex.org/W3023899067', 'https://openalex.org/W3021292301', 'https://openalex.org/W3021244585', 'https://openalex.org/W3017004937', 'https://openalex.org/W3010022104', 'https://openalex.org/W3000851657', 'https://openalex.org/W2997733939', 'https://openalex.org/W2997433084', 'https://openalex.org/W2985939587'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3016972932', 'counts_by_year': [], 'updated_date': '2024-08-28T04:43:39.401196', 'created_date': '2020-04-24'}