function jd=gps2jd(gpsweek,sow,rollover);% GPS2JD  Converts GPS week number (since 1980.01.06) and%   seconds of week to Julian date. Non-vectorized version.%   See also CAL2JD, DOY2JD, JD2CAL, JD2DOW, JD2DOY, JD2GPS,%   JD2YR, YR2JD.% Version: 28 Sep 03% Usage:   jd=gps2jd(gpsweek,sow,rollover)% Input:   gpsweek  - GPS week number%          sow      - seconds of week since 0 hr, Sun (default=0)%          rollover - number of GPS week rollovers (default=0)% Output:  jd       - Julian dateif nargin < 1 | nargin >3  warning('Incorrect number of arguments');  return;endif nargin < 3  rollover = 0;endif nargin < 2  sow = 0;endif gpsweek <= 0  warning('GPS week must be greater than or equal to zero');  return;endjdgps = cal2jd(1980,1,6);             % beginning of GPS week numberingnweek = gpsweek + 1024*rollover;      % account for rollovers every 1024 weeksjd = jdgps + nweek*7 + sow/3600/24;