Session P5a: Environmental Impacts on Clocks and Time Transfer

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Date: Thursday, January 26, 2023
Time: 1:45 p.m. - 3:25 p.m.
Location: Beacon B (4th Floor)
Session Chair:

Dr. Daphna Enzer Jet Propulsion Laboratory

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1.	Measurement of Transient Environmental Effects in GPS-Disciplined Clocks : Andrew Novick, Michael A. Lombardi, Time and Frequency Division, National Institute of Standards and Technology; Demetrios Matsakis, and John Clark, Masterclock, Inc.
2.	Development of Laser-Optical Clocks for Future QZSS and Experimental Evaluation of a Seven-Satellite Constellation : Saya Matsushita, Hiroshi Takiguchi, Toshitaka Sasaki, Aru Suemasa, Hideki Narita, Hideki Yamada, Kyohei Akiyama, Isao Kawano, Satoshi Kogure, Japan Aerospace Exploration Agency; Takashi Tsuruta, Space Engineering Development Co., Ltd,; Yuichi Takeuchi, Mitsuru Musha, The University of Electro-Communications
3.	On Error Modeling in GNSS-based Frequency Transfer: Effects of Temperature Variations and Satellite Orbit Repeat Times : Ahmed Elmaghraby, Thomas Krawinkel, Steffen Schön, Leibniz University Hannover, Institut für Erdmessung; Dirk Piester, Andreas Bauch, Physikalisch-Technische Bundesanstalt
4.	Sub-Microsecond Holdover Timing Capabilities of the Miniature Atomic Clock (MAC) Rubidium Oscillator : Will Krzewick, John Bollettiero, Jay Noble, Peter Cash, Igor Kosvin, Microchip Technologies

Virtual Presentations Pre-recorded presentations will become available for viewing by registered attendees on Tuesday, January 25.
	Effects of Solar Flare Activity on GPS Satellite Timing Sources : Edith Szarkowski, Johns Hopkins University
	PPP Time and Frequency Transfer Independent of Time-varying Receiver Biases : Xiaolong Mi, Ahmed El-Mowafy, School of Earth and Planetary Sciences, Curtin University, Perth, Australia; Baocheng Zhang, State Key Laboratory of Geodesy and Earth’s Dynamics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences (CAS); Kan Wang: National Time Service Center, CAS, University of Chinese Academy of Sciences; Teng Liu, Yunbin Yuan: State Key Laboratory of Geodesy and Earth’s Dynamics, Innovation Academy for Precision Measurement Science and Technology, CAS

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