Category: Gear

Editorial: Smarter Alerts, Faster Rescues

Rick Lindfors – Meridian Editor in Chief   This year Apple introduced new features for its new smartphone and that caught the eyes of many. IPhone 14 series users could now use an Emergency SOS feature to call for emergency services even when outside of cell phone range. The system uses a satellite connection to

Read More »

Pulley Efficiency and Mechanical Advantage

Justin Wheaton – Meridian Editor The San Bernardino County Sheriff’s Volunteer Forces Unit puts on a Rope Rescue Operator course every year. This course is the most basic introduction to rope rescue systems and application. The class builds a solid foundation based on our mission profile to allow teams to integrate on assignments. Primarily, the

Read More »

Portable Two-Way RadioBattery Primer

By William Laxson, MRA Communications Committee Chair  Over the past 40 years, the chemistry used inside our rechargeable two-way radio batteries has undergone several major evolutions. In the 1970’s, nickle-cadmium batteries (NiCd) were widely used.  Then about 20 years ago, the industry began a shift to nickle-metalhydride (NiHM) batteries to reduce environmental pollution by the

Read More »