Ground viewing radiometer equipped with autonomous linear motion: Two Year field deployment summary and analysis

Rantaj Singh, Jeffrey Czapla-Myers, Nikolaus Anderson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


In March 2020, the Remote Sensing Group (RSG) of the Wyant College of Optical Sciences at the University of Arizona deployed a ground-viewing radiometer (GVR) equipped with linear motion to support its Radiometric Calibration Test Site (RadCaTS). Prior to the development and deployment of a GVR with linear motion, all GVRs were stationary radiometers. The GVRs consist of 8 spectral channels covering a wavelength range of 400 nm to 1550 nm. Each GVR, including the one with linear motion, are automated systems designed for long-term standalone operation. This paper presents a two-year post-deployment summary and analysis of the GVR fitted with autonomous daily linear motion, GVR 23. Incorporating linear motion to a GVR increases the spatial sample size of the GVR. A larger spatial sample provides RSG with an improved representation of the surface under measurement. The current linear motion system operates autonomously between 16:00 UTC and 22:00 UTC. This work describes the current system design, the data acquired from the radiometer, issues that have risen, and future improvements.

Original languageEnglish (US)
Title of host publicationEarth Observing Systems XXVII
EditorsJames J. Butler, Xiaoxiong Xiong, Xingfa Gu
ISBN (Electronic)9781510654488
StatePublished - 2022
EventEarth Observing Systems XXVII 2022 - San Diego, United States
Duration: Aug 23 2022Aug 25 2022

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X


ConferenceEarth Observing Systems XXVII 2022
Country/TerritoryUnited States
CitySan Diego


  • field average
  • ground viewing radiometer
  • linear motion
  • playa
  • spatial sample
  • surface representation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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