5.511F in the Radio Frequency Table Allocation of Ireland.

Content Type
ITU FOOTNOTE
Title
5.511F
Description
In order to protect the radio astronomy service in the frequency band 15.35-15.4 GHz, radiolocation stations operating in the frequency band 15.415.7 GHz shall not exceed the power flux-density level of -156 dB(W/m2) in a 50 MHz bandwidth in the frequency band 15.35-15.4 GHz, at any radio astronomy observatory site for more than 2 per cent of the time. (WRC12)
Source
https://search.itu.int/history/HistoryDigitalCollectionDocLibrary/1.43.48.en.101.pdf