Eutelsat and SES may be upbeat about their future after Sky firmed up on plans to offer full OTT packages including all 270 of its channels, but their shareholders seem decidedly jittery. Eutelsat shares fell by 2.3%, while SES which is more exposed to Sky, dropped 5.7% on January 25th when Sky gave details of its launch plans in Europe for the OTT-only version of its Sky Q set top. Following a recent launch in Italy, the full OTT service, not to be confused with Now TV which only offers some channels without need for a set top, the service will be launched in Italy, Germany and Austria in the first half of 2018, followed by the UK and Ireland…