5.228AA in the Radio Frequency Table Allocation of Ireland.

Planned maintenance in progress on 25th June between 15:00 – 23:00. Users may experience intermittent service disruption during this window.

Content Type: ITU FOOTNOTE
Title: 5.228AA
Description: The use of the frequency bands 161.9375-161.9625 MHz and 161.9875-162.0125 MHz by the maritime mobile-satellite (Earth-to-space) service is limited to the systems which operate in accordance with Appendix 18. (WRC-15)
Source: https://search.itu.int/history/HistoryDigitalCollectionDocLibrary/1.43.48.en.101.pdf