Before I start, I’d like to mention that I’m not affiliated with either of the companies mentioned here, but they seem to be the go-to-solutions, at least that’s the result of my research. Sure enough, there are more options available, but I’m just trying to cover the basics here. Since the most used geologgers seem to be the iBlue 747 devices and the Holux M-241 (see part 1 for more details), I decided to limit my research on these devices. So which one is the best to choose? That highly depends on your needs. I [...]