This is the first step to building an underwater communication system. Build an Underwater Speaker - Intro https://muse.ai/v/VZcjb4K Build an Underwater Speaker - Detailed https://muse.ai/v/kfU68WJ Build an Underwater Communication System - Intro https://muse.ai/v/7ZvTqRk Build an Underwater Communication System - Detailed https://muse.ai/v/teaAyho Build an Underwater Voice Comm with a VHF Radio - Detailed https://muse.ai/v/mG7pL8S