CANADA has a shortage of Controllers like the US & elsewhere. As a consequence airspace capacity is often reduced around airports like CYUL where I operate. Recently, Nav Canada has been issuing NOTAMs at the weekend restricting VFR and IFR...
5°-7° of roll and 1° - 2° pitch wouldn't be abnormal when hovering in winds of 5-6 metres/sec.
Sometimes you'll get more and sometimes less.
There's nothing suspicious about having 21 sats.
Neither of these factors are in any way related to the...