TY - GEN AU - Michael A. Lombardi C2 - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD DA - 2021-11-01 04:11:00 DO - https://doi.org/10.6028/NIST.TN.2189 LA - en PB - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD PY - 2021 TI - An Evaluation of Dependencies of Critical Infrastructure Timing Systems on the Global Positioning System (GPS) UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=933484 ER -