2 were obtained from the
BIPM Circular T documents.
Los Arcos, Update of the
BIPM comparison
BIPM.RI(II)-K1.F-18 of activity measurements of the radionuclide [sup.18]F to include the CIEMAT.
Since the unit of mass is only available at the
BIPM, it must be disseminated to the rest of the world through a series of comparison calibrations involving national prototypes.
[1] GUM 1995 with minor Corrections: Evaluation of measurement data uide to the expression of uncertainty in measurement,
BIPM, IEC, IFCC, ILAC, ISO, IUPAC, IUPAP, OIML Std., 2008.
Knyziak, Key comparison
BIPM.RI(I)-K2 of the air-kerma standards of the GUM, Poland and the
BIPM in low-energy x-rays, Metrologia 49 Tech.
With some minor modifications, the NBS file format eventually became the standard used for the submission of time transfer data to the
BIPM. Formally published in 1994 [8], the data format is known today as the Common GPS GLONASS Time Transfer Standard (CGGTTS).