Index to pilot reports

Tactics and Vectors 98/99

Table of Contents

Great Circle Hypotheis

Magnetoclinic Hypothesis

Magnetic-Latitude Hypothesis

Compass Bearings Hypothesis

Suns' Azimuth Hypothesis

Expansion-Contraction Hypothesis

Always Advance Hypothesis

Never Go Back Hypothesis

Index to Pilot Reports

Index I Observations of Migrating Butterflies by Glider Pilots (Response from my article in the August 1998 issue of Soaring Magazine)
Date	Species	Location	Observations made from:
Date	Species	Location	aircraft	ground

Sept. 16, 1998	Monarch butterfly	Massachusetts, USA	yes	no
Sept. 13, 16, 1998	Monarch butterfly	Nebraska, USA	yes	no
Sept. 24, 1995	Monarch butterfly	Kansas, USA	no	yes
Fall, early 1980's	Monarch butterfly	Virgina, USA	yes	yes

To Online Data Entry Form for Glider Pilots