Those are my Scouters. Tarble was powerful enough to give them at least a minimum of Abo and Kado problem, in spite of knowing that his powers were equal to 100% Freezer (Namek). Ova in 2008 clearly shows Roshi> Tarble.
 In FnF Buff Roshi he had great feats like hitting many soldiers, and many of them forced to take a seed Krilin the hermit.