Timing of the test For all oxygen groups (i.e., Group I, II and III), initial testing must be done within the 30 days before the initial date of service. For Group II beneficiaries, recertification testing must be done between day 61 â 90 after the initial date of service.
Trolling motors are popular with anglers who want to be able to maneuver around a fishing area without disturbing the fish below the surface. When youâre searching for a new electric boat motor, keep these points in mind: 1  Most trolling motors operate on 12 volt, 24 volt and 36 volt circuits.
Sturdy Bow Mount Motors Nothing beats a day on the water, so make sure your boat is equipped with a sturdy bow mount trolling motor that's in it for the long haul. Hardy metals offer plenty of strength while resisting damage caused by corrosion and impact.