{"database": "openregs", "table": "federal_register", "rows": [["E9-21953", "Notice of Availability of Draft Technical Standard Order (TSO)-C166b for Extended Squitter Automatic Dependent Surveillance-Broadcast and Traffic Information Service-Broadcast Equipment Operating on the Radio Frequency of 1090 Megahertz (MHz)", "Notice", "The FAA is announcing the availability of and requesting comment on proposed TSO-C166b. The Avionic Systems Branch of the Aircraft Engineering Division, Aircraft Certification Service, FAA has presented a proposed revision of existing TSO-C166a. RTCA, Inc. Special Committee (SC)-186 is revising RTCA Document DO-260A, Minimum Operational Performance Standards for 1090 MHz Extended Squitter Automatic Dependent Surveillance-Broadcast (ADS-B) and Traffic Information-Broadcast (TIS-B), which will become the Minimum Performance Standard (MPS) for the proposed TSO-166b. Proposed TSO- C166b can be found at http://www.faa.gov/aircraft/draft--docs/. Comments may be filed electronically following instructions on the webpage. Comments may also be filed using the addresses provided below.", "2009-09-11", 2009, 9, "https://www.federalregister.gov/documents/2009/09/11/E9-21953/notice-of-availability-of-draft-technical-standard-order-tso-c166b-for-extended-squitter-automatic", "https://www.govinfo.gov/content/pkg/FR-2009-09-11/pdf/E9-21953.pdf", "Transportation Department; Federal Aviation Administration", "492,159", "The FAA is announcing the availability of and requesting comment on proposed TSO-C166b. The Avionic Systems Branch of the Aircraft Engineering Division, Aircraft Certification Service, FAA has presented a proposed revision of existing TSO-C166a. RTCA,...", null]], "columns": ["document_number", "title", "type", "abstract", "publication_date", "pub_year", "pub_month", "html_url", "pdf_url", "agency_names", "agency_ids", "excerpts", "regulation_id_numbers"], "primary_keys": ["document_number"], "primary_key_values": ["E9-21953"], "units": {}, "query_ms": 0.3793420037254691, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}