5.527A in the Radio Frequency Table Allocation of Ireland.

Content Type
ITU FOOTNOTE
Title
5.527A
Description
The operation of earth stations in motion communicating with the FSS is subject to Resolution 156 (WRC-15).     (WRC-15)
Source
https://search.itu.int/history/HistoryDigitalCollectionDocLibrary/1.43.48.en.101.pdf