Tactics and Vectors analysis of field data georgia 88 XIV b Flight above inversion data

Tactics and Vectors 98/99

Compass Bearings Hypothesis

Suns' Azimuth Hypothesis

Expansion-Contraction Hypothesis

Never Go Back Hypothesis

Analysis of Field Data for the 1988 Monarch Butterfly Migration in Resaca and Calhoun, Georgia

Table XIV b Mean Vanishing bearing for Danaus plexippus Flying above the Radiation Inversion (SE winds): Data used in Calculations September 26 - October 2, 1988 observations of the Danaus plexippus migration in Resaca and Calhoun, Georgia

Date	Tables	Number of Observations	Field Data Code Numbers	Reasons for Exclusion

Sept. 26	I	-	-	NA
27	II	-	-	NA
28	III	28 (29)	72 - 84, 85, 86 - 94, 96 - 101	No bearings
29	IV	18 (19)	134, 135, 136, 137 - 147, 149, 150, 154, 156, 157	No bearings
30	V	10	194 - 203	NA
Oct. 1	VI	- (1)	243	No bearings
2	VII		255	Wind above inversion has shifted to N

Totals	7	56	Data for Calm

Any observations hi-lighted in red were excluded from calculations for reasons given in column 5. None were excluded for the NW wind condition.