urn:nasa:pds:voyager2_rss_uranus_49xr_raw:document:hga_doc 1.0 1.21.0.0 Product_Document Simpson, R. A. 2025 Descriptions of the Voyager 2 high-gain antenna (HGA) radiation pattern and reconstruction of the spacecraft attitude (which gives the HGA pointing) during the spacecraft encounter with Uranus. 2025-04-09 1.0 Three paper documents were scanned and converted to PDF/A-1b using Acrobat Pro. Voyager 2 Uranus HGA Description 2024-08-04 Descriptions of the Voyager 2 high-gain antenna gain pattern and spacecraft attitude reconstruction (which provides the HGA pointing) during the spacecraft encounter with Uranus. The document includes three files: (1) a JPL interoffice memorandum (IOM) requesting the HGA pointing reconstruction for the Uranus encounter; (2) a JPL IOM explaining how the Uranus HGA pointing reconstruction was carried out; and (3) a plot of the Voyager S-band antenna gain. File (1) includes a generic request for HGA pointing reconstructions, including requirements, dated 1975. It is not known whether File (3) is a calculated or measured gain pattern or whether it is for transmit or receive; but a calculated pattern for transmit seems most likely. Format of the binary files containing the reconstructed HGA pointing differs somewhat from the description given in these files; see data product labels for details. First English 3 hga_doc1.pdf 1688176 c1c999af2a6583c43f0ae7cdc25f428c The document in this file was scanned and then converted to PDF/A-1b using Adobe Acrobat Pro. The document requests a limb track maneuver reconstruction to support analysis of radio science observations during the Voyager 2 encounter with Uranus. The file also includes a copy of a request for limb track maneuver reconstructions during earlier Voyager encounters. PDF/A hga_doc2.pdf 8040442 b1bc672c4e56717e6ecf5eb618e015c8 The document in this file was scanned and then converted to PDF/A-1b using Adobe Acrobat Pro. It describes the attitude reconstruction (which provides the HGA pointing) during the Voyager 2 encounter with Uranus. PDF/A hga_doc3.pdf 874809 c7beb2679428b52b3edd665047c8f917 The document in this file was scanned and then converted to PDF/A-1b using Adobe Acrobat Pro. It is a plot of HGA S-band gain in dB versus angle off boresight. There is no information in the document about provenance -- whether the plot was calculated or measured, or whether it is for transmit of receive. A calculated plot for transmit seems most likely. PDF/A