Quiet-time anisotropy data have been obtained by the HEOS-1 spacecraft between December 1968 and April 1970 using an 8-sector analysis of a Cerenkov telescope which has a threshold rigidity of about 1 GV for protons. Meridian and ecliptic plane scans were made. Data obtained at satellite altitudes greater than 20 Earth radii were selected and showed consistent evidence for a sunward radial streaming component of amplitude ~ 0.3% while the azimuthal component from the east showed an apparently significant variation from 0.6% at the start of the period to less than 0.2% at later times. Experimental effects are considered and eliminated as a spurious source of the anisotropy.