Radians to Deg,Arcmin,Arcsec
CALL sla_CR2AF (NDP, ANGLE, SIGN, IDMSF)
NDP  I  number of decimal places of arcseconds 


ANGLE  R  angle in radians 
SIGN  C  ‘+’ or ‘$$’ 


IDMSF  I(4)  degrees, arcminutes, arcseconds, fraction 