Building underwater instruments for technical divers: navigation, charts, power and sonar.https://www.terndiving.com/https://www.terndiving.com/log/2026/surprise-temp-matters/https://www.terndiving.com/log/2026/surprise-temp-matters/I quietly assumed that temperature wasn't a significant impact. Boy did that turn out to be wrong.Fri, 18 Sep 2026 00:00:00 GMThttps://www.terndiving.com/log/2026/water-is-a-creative-bastard/https://www.terndiving.com/log/2026/water-is-a-creative-bastard/Water isn't evil, it's just patient and creative, and weirdly attracted to electronic components. Thu, 10 Sep 2026 00:00:00 GMThttps://www.terndiving.com/log/2026/when-the-line-is-gone/https://www.terndiving.com/log/2026/when-the-line-is-gone/Why Tern exists: a missed dive on the bomber, what dead reckoning can and can't do, and how landmarks make this possibleThu, 03 Sep 2026 00:00:00 GMT