- GPS/GLONASS uncorrected
- Differential corrections via SBAS
- Differential corrections via UHF
- Differential corrections via 3G / 4G
No giggling, we’re serious about crotch straps at the RNLI. Why? Because crotch straps make your lifejacket perform better and keep you safer for longer. Our top tips for fitting your lifejacket crotch straps: 1. Always fit the crotch straps securely. 2. If you end up in the water, tighten the straps to take up any slack. Remember, correctly adjusted crotch straps will help keep your head above water. Get more water safety advice at: http://bit.ly/RNLIcheckBA