Remainder: Sentinel 3A data will stop on TP1
From "Weekly Operations Schedule":
EUMETCast Satellite data flows on Transponder 1 (TP1) and Transponder 2 (TP2) are being reorganised.
Sentinel-3A data, currently disseminated on TP1, will be transferred to TP2.
From 18/06/2018 to 21/08/2018, they will be available on both TP1 and TP2.
From 22/08/2018, they will only be available on TP2.
For full details on what users need to do to prepare for this change, see the URL provided below.