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Doses, Distance, and Data: The Road to Safe Travel - Taiwan Business TOPICS

Taiwan Business TOPICS
Local pharmaceutical firm Golden Biotechnology Corp. independently developed Antroquinonol
(Hocena®), a novel small-molecule drug, and is now testing its use for treatment of COVID-19. Photo: Golden Biotechnology Corp.
Despite rigorous border control and strict measures, COVID-19 has made its way into Taiwan. Now businesses, researchers, and government are working on innovations that will put Taiwan back in business.
Until recently, Taiwan had a remarkable success record in containing the spread of COVID-19 and maintaining normality for its citizens. While hospitals worldwide had their capacities stretched to their limits, Taiwan reported approximately 1,200 local cases and 11 related deaths in 14 months. However, in May, a few local clusters resulted in a significant spread of the coronavirus around the island. ....

Yang Ming Chiao , Hualian Xian , T Ai Pei , National Taiwan University , Audrey Tang , Antroquinonol Hocena , Antony Lee , Ethan Tu , Paul Torkehagen , Charles Chen , National Yang Ming Chiao Tung University , Ministry Of Health , Ai Lab Tu , Taiwan Ai Lab , National Health Insurance , National Applied Research Laboratories Narlabs , Ministry Of Science , Zai Lab , Drug Administration , Data Monitoring Committee , Narlab National Center , Central Epidemic Command Center , Golden Biotechnology Corp , Medigen Vaccine Biologics Corp , Medigen Vaccine Biologics , United Biomedical ,

Q: What is the significance of the NANUs provided by GPS and the similar alerts provided by other GNSS constellations? Are they needed for the use of these systems, and if not, how are they helpful?

SAM PULLEN, Stanford University
A: Since at least 1997, the Global Positioning System (GPS) Control Segment (CS) has issued what are known as “Notice Advisor(ies) to NAVSTAR Users” or “NANU(s).”
As originally reported in Section 3.5 of the 2001 version of the GPS SPS Performance Standard (GPS SPS PS), these provide “notification of changes in constellation operational status that affect the service being provided to GPS users, or if the U.S. Government anticipates a problem in supporting performance standards established in this document.”
The most recent 5th Edition of the GPS SPS PS [2] explains that a key purpose of NANUs is to alert GPS users of foreseeable future GPS satellite outages so that users are not surprised by them and potentially lose continuity. Specifically, Section 2.3.5 of [2] states the following: ....

United States , El Segundo , Brent Renfro , Department Of Defense , Analysis Center , Russian Defense Ministry , Russian Ministry Of Defense , Service Definition Document , Central Research Institute Of Machine Building , China Satellite Navigation Office , Us Coast Guard Navigation Center , Galileo Open Service , Service Performance Standard , User Support Community Interfaces , Beidou Open Service Performance Standard , Roscosmos State Corp , Us Federal Aviation Administration , European Global Navigation Satellite Systems Agency , University Of Texas At Austin , Research Laboratories , Enterprise Space Missile Systems Center , Service Availability Prediction Tool , Stanford University , Global Positioning System , Control Segment , Guard Navigation Center ,