Using a light-metered camera to gauge the brightness of the reflected spot at a distance of 85 feet. The metal mirror is used as a base line, and the others are on a line showing the number of times brighter than the metal mirror.

Rescue Reflectors, Inc.
220 E. Texas Avenue
Baytown, Texas 77520-5257
(281) 427-5923
www.malcolmmurray.com

Civil Air Patrol Supply Depot
14400 Airport Blvd.
Amarillo, Texas 79111
(800) 858-4370
Fax (806) 335-2416
www.capsupply.com
For glass mirrors from this source, specify 'GI issue'; not 'GI style'.
It is not necessary to be a CAP member to order from this source.

Survival, Inc.
2633 Eastlake Avenue East
Suite 103
Seattle, Washington 98102
(800) 292-4707
(206) 726-9363
Fax (206) 726-0130
E-mail: info@survivalinc.com
www.survivalinc.com

Vector 1, Inc.
14292 Freeport Trail
Apple Valley, MN 55124
(952) 431-9614
E-mail: info@signalmirror.com
www.signalmirror.com

Paul and Sue Wiltse recently returned from a week's paddling in Johnstone Strait, B.C. They live in Alpharetta, Georgia where they participate in teaching sea kayaking.