Yes I have a feeling AirPlay’ing from your iPad to your Apple TV will go a lot better. Just note the Apple TV device does not support Tablo Connect (aka remote viewing), so you will have to AirPlay to it from the iPad.
Ok, we’re back home and I just tried Airplay to the AppleTV and that works. So I can airplay to the AppleTV, but also tried to Airplay to the Roku TV at home and that also failed. I can Airplay youtube videos direct to the RokuTV, but not Tablo video. The Tablo guide shows up, I can browse recordings, etc, but trying to play any video results in the spinning walmart daisy