... VDIFIO is a library to create, access and modify headers for VDIF formatted data. ... int createVDIFHeader ( vdif_header * header , int dataarraylength , int threadid , int bits , int nchan , int iscomplex , char stationid [ 3 ] ) ; . ... Return the number of bytes occupied by the entire VDIF frame (note internally VDIF divides this values by 8) int getVDIFFrameNumber ( vdif_header * header ) ; . Return the current VDIF frame number int getVDIFStationID ( vdif_header * header ) ; . ...

metrologia The leap second: its history and possible future R. A. Nelson, D. D. McCarthy , S. Malys, J. Levine, B. Guinot, H. F. Fliegel , R. L. Beard and T. R. Bartholome w Abstract. This paper reviews the theoretica l motivatio n for the leap second in the context of the historica l evolutio n of time measurement . Th e periodic insertio n of a leap second step into th e scale of Coordinate d Universal Time (UTC) necessitates frequent changes in comple x timekeepin g systems an d is currentl y th e