| 
                                
                                    | 1. | Clear description of the referenced document: |  
                                    |  |  |  
                                    | 2. | Status of approval: |  
                                    |  | This is an approved document by ATSC (Advanced Television Systems Committee). |  
                                    | 3. | Justification for the specific reference: |  
                                    |  | This document defines a standard for announcement of services in an ATSC 3.0 broadcast. |  
                                    | 4. | Current information, if any, about IPR issues: |  
                                    |  | None |  
                                    | 5. | Other useful information describing the "Quality" of the document: |  
                                    |  | None |  
                                    | 6. | The degree of stability or maturity of the document: |  
                                    |  | Approved in March 2023. |  
                                    | 7. | Relationship with other existing or emerging documents: |  
                                    |  | None |  
                                    | 8. | Any explicit references within that referenced document should also be listed: |  
                                    |  | [1] ATSC: “ATSC-Mobile DTV Standard, Part 4 – Announcement,” Doc. A/153 Part 4:2009,/ Advanced Television Systems Committee, Washington, DC, 15 October 2009./
 [2] ATSC: “ATSC Standard: Signaling, Delivery, Synchronization, and Error Protection,”/
 Doc. A/331:2023-03, Advanced Television Systems Committee, Washington, DC, 28/
 March 2023./
 [3] IEEE: “Use of the International Systems of Units (SI): The Modern Metric System,” Doc./
 IEEE/ASTM SI 10, Institute of Electrical and Electronics Engineers, New York, NY, 2002./
 [4] IETF: “Hypertext Transfer Protocol – HTTP/1.1: Semantics and Content,” RFC 7231,/
 Internet Engineering Task Force, June 2014./
 [5] IETF: “Augmented BNF for Syntax Specifications: ABNF,” RFC 5234, Internet/
 Engineering Task Force, January 2008./
 [6] IETF: “UTF-8, A Transformation Format for ISO 10646,” RFC 3629, Internet Engineering/
 Task Force, November 2003./
 [7] OMA: “Service Guide for Mobile Broadcast Services,” Version 1.0.1, document OMATS-BCAST_Service_Guide-V1_0_1-20130109-A, Open Mobile Alliance, 9 January 2013./
 [8] OMA: “Service Guide for Mobile Broadcast Services,” Version 1.1, document OMA-TSBCAST_Service_Guide-V1_1-20131029-A, Open Mobile Alliance, 29 October 2013./
 [9] ATSC: “ATSC Standard: Video—HEVC,” Doc. A/341:2023-03, Advanced Television/
 Systems Committee, Washington, DC, 28 March 2023./
 [10] ATSC: “ATSC Standard: AC-4 System,” Doc. A/342-2:2023-03, Advanced Television/
 Systems Committee, Washington, DC, 28 March 2023. /
 [11] ATSC: “ATSC Standard: MPEG-H System,” Doc. A/342-3:2023-03, Advanced/
 Television Systems Committee, Washington, DC, 28 March 2023./
 [12] ATSC: “ATSC Standard: Non-Real-Time Content Delivery,” Doc. A/103:2014, Advanced/
 Television Systems Committee, Washington, DC, 25 July 2014./
 [13] ATSC: “ATSC Standard: Captions and Subtitles,” Doc. A/343:2023-03, Advanced/
 Television Systems Committee, Washington, DC, 28 March 2023./
 [14] ATSC: “ATSC Standard: Companion Device,” Doc. A/338:2023-03, Advanced Television/
 Systems Committee, Washington, DC, 28 March 2023./
 [15] ATSC: “ATSC 3.0 Interactive Content,” Doc. A/344:2023-03, Advanced Television/
 Systems Committee, Washington, DC, 28 March 2023./
 [16] ITU-R: “Recommendation Parameter values for the HDTV standards for production and/
 international programme exchange,” Doc. BT.709-6, International Telecommunications/
 Union, Geneva Switzerland, June 2015./
 [17] ITU-R: “Use of large screen digital imagery Recommendations in video information/
 systems applications,” Doc. BT.2000-0, International Telecommunications Union, Geneva/
 Switzerland, January 2012./
 [18] ITU-R: “Image parameter values for high dynamic range television for use in production/
 and international programme exchange,” Doc. BT.2100-2, International/
 Telecommunications Union, Geneva Switzerland, July 2018./
 [19] ATSC: “Audio Common Elements,” Doc. A/342-1:2023-03, Advanced Television/
 Systems Committee, Washington, DC, 28 March 2023./
 [20] IETF: “RaptorQ Forward Error Correction Scheme for Object Delivery,” RFC 6330,/
 Internet Engineering Task Force, August 2011./
 [21] W3C: “XML Schema Part 2: Datatypes Second Edition,” W3C Recommendation,/
 Worldwide Web Consortium, 28 October 2004.
 |  
                                    | 9. | Qualification of
                                        ATSC: |  
                                    |  |  |  
                                    | 10. | Other (for any supplementary information): |  
                                    |  | None |  |