Results 111 to 120 of about 15,235 (136)

HIV Glasgow 2018, 28-31 October 2018, Glasgow, UK. [PDF]

J Int AIDS Soc, 2018
europepmc   +1 more source

THE 1927 NORTH AMERICAN DATUM

, 1952
W. H. MacTavish
openalex   +1 more source

GNSS satellite inter-frequency clock bias estimation and correction based on IGS clock datum: a unified model and result validation using BDS-2 and BDS-3 multi-frequency data

Journal of Geodesy, 2021
Cheng Wang
exaly  

NADCON : the application of minimum curvature-derived surfaces in the transformation of positional data from the North American Datum of 1927 to the North American Datum of 1983

, 1990
W. T. Dewhurst
openalex  

Cambrian Evolutionary Radiation: Context, correlation, and chronostratigraphy—Overcoming deficiencies of the first appearance datum (FAD) concept

Earth-Science Reviews, 2013
Ed Landing, Gerd Geyer
exaly  

Analysis and Assessment of BDS-2 and BDS-3 Broadcast Ephemeris: Accuracy, the Datum of Broadcast Clocks and Its Impact on Single Point Positioning

Remote Sensing, 2020
Guoqiang Jiao, Ke Su
exaly