Services Ancillary to Broadcasting (SAB) support the activities of broadcast service companies carried out in the production of their programme material.
Services Ancillary to Programme making (SAP) support the activities carried out in the making of 'programmes', such as film making, advertisements, corporate videos, concerts, theatre and similar activities not initially meant for broadcasting to general public.
1) ITU-R Report BT.2338 ..spectrum use in Region 1 .. in the frequency band 694-790 MHz [3.939 KB]
2) ITU-R Report BT.2344 Information on technical parameters, operational characteristics and deployment scenarios.. [2.147 KB]
3) ECC Report 204 Spectrum use and future requirements for PMSE
4) ECC REPORT 2 [730 KB] (becomes obsolete)
See also PMSE (CEPT terminology). There you will find further information.