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left arrowarrow leftTable X a  -  Page 69
Airport in Calhoun, Georgia;  October 7, 1987;    
(Magnetic Declination = 2°W:  Subtract 2° for True Bearing, True Heading and True Wind Direction)
Num.    Species    Time Flight Behavior Weather Field Notes
    I         II     III IV Va Vb Part 1 Part 2 Part 3
 Est.
Alt.
Type
of Flt.
Horiz.
Flt.
Vert.
Flt.
Mag.
Bear.
Mag.
Head.
Wind
Dir.
 Wind 
Vel.
Amb.
Temp
Thrm.
Act.
Cloud 
Types 
Start - 7:16 - - - - - - 168° 1.0 m/s 5.0°C no - Smoke was not raising, indicating that the airmass was stable.  High scans with binoculars were not productive.
- - 7:30 - - - - - - 173° 1.3 m/s 6.5°C - - WW: Radar was detecting a few ducks passing through. Upper winds were NW.
- - 7:58 - - - - - - 169° 1.2 m/s 8.5°C no - No swifts, swallows, or vultures were aloft.
- - 8:28 - - - - - - 179° 0.7 m/s 11.0°C no - WW:  Radar was still not detecting anything.  Alton Sparks confirmed that large numbers of D. plexippus were still on vegetation in nearby fields.   Balloon released at 8:24 rose nearly vertically and then began to drift NW.
329 D. plexippus 8:39 20 m flap,
soar,
flap
straight level,
landed
240° 240° calm - 12.5°C yes - Butterfly was flapping weakly and landed in a tree.
- - 8:49 - - - - - - - - - - thin
clouds
Swifts were foraging.
- - 8:58 - - - - - - - - 13.5°C - - High scans with binoculars at 8:53 were were not productive.
- - 9:00 - - - - - - NE - - - - A faint NE wind had developed.