I use a Trimble Recon. Rugged and waterproof but expensive. I've used it for many years now without any problems.

Dave Clucas
daveclucas.com
sarawak-caves.com
dave.clucas@icloud.com

Exploring the World - One cave at a time


On 15 Sep 2015, at 02:54, therion-request@speleo.sk wrote:

Best caving tablet (Rob Countess)