MY FRIEND RECENTLY POSITED that if forced to choose, he’d rather lose his wallet than his iPhone. ¶ After pondering, I had to agree. Communication is key everywhere, and, at least ashore, the smartphone has become the most important nexus of modern culture’s holy trinity (wallet, phone, keys). ¶ On board, however, the argument changes, especially when cruising outside of cellular coverage. At that point, the VHF radio and its ability to communicate with multiple nearby vessels and shore stations juggernauts its technology to the top of the importance pyramid. While there’s no question that a fixed-mount VHF radio is a must-have for every helm, few electronic tools are a better universal fit than a reliable and fully featured handheld. ¶ Marine-band VHF communications arrived in the 1950s, giving mariners…