$400
About the Course
Launching a delayed surface marker buoy (DSMB) before you surface can alert others to your location in advance of your ascent. Adding another layer of safety, you can also use the DSMB line to complete your safety stop, which is advantageous in a current or when there are no other visual references. Take this course to learn about all the beneficial uses of a DSMB.
Learn How to
- Dive with a DSMB
- Properly deploy a DSMB
- Tie off marker buoys underwater
- Use and place marker buoys as reference points
Take This Course If You Want to
- Learn about common types of DSMB along with the reels used to control them
- Make yourself present to overhead traffic, such as boats
- Use marker buoys when drift diving