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.
Explore a collection of dozens of electric boat motors from trusted names like Minn KotaÂ® and MotorGuideÂ®. You can choose from transom mounted electric trolling motors, bow mounted motors, and other motor designs with a wide range of shaft lengths and thrust ratings available. Shop a variety of equipment including: