TABLE OF CONTENTS
III
4.15-1
SR50 Sonic Ranging Sensor.................................................................................................. 4-8
4.16-1
CS615 Water Content Reflectometer with CS615G Probe Insertion Guide .......................... 4-8
4.17-1
237 Leaf Wetness Sensor ...................................................................................................... 4-9
4.18-1
257 Soil Moisture Sensor ....................................................................................................... 4-9
4.19-1
Magnetic Declination for the Contiguous United States ....................................................... 4-10
4.19-2
Declination Angles East of True North Are Subtracted From 0 to Get True North............... 4-11
4.19-3
Declination Angles West of True North Are Added to 0 to Get True North .......................... 4-11