This notice invites comments on proposals for a new spectrum utilization policy for the use of the frequency bands 18.8-19.3 GHz and 28.6-29.1 GHz by the fixed-satellite service (FSS), and on subsequent changes to licensing in the bands. Comments are also sought on changes to the spectrum utilization policy for the use of the frequency bands 17.3-17.7 GHz, 19.3-19.7 GHz and 29.1-29.25 GHz by the FSS.