we have found that on the average 1-2 mph is a good travel rate in forested areas.<br><br>This value will also keep your areas small enough to work on the problem.<br><br>and...with 4 to 5 trained searchers and 100 untrained you will be able to do some realistic POD calculations in grid search patterns.<br><br>Thanks<br>Ted Fisher<br>Vermilion County Search and Rescue