Arc search pattern with mapping, line signals, thermals, bouyancy, weight check
Water HRD is main focus...known, single blind, double blind. Building and vehicle may be possibilities time permitting.
Basic review of ERM, CalTopo, Gaia, Compass .. the usual. Will be held at George's 1702 West Birch Drive, due to quirky Feb weather.
Arc search pattern with mapping, line signals, thermals, bouyancy, weight check