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left arrowarrow leftTable IX a -  Page 61
Airport in Calhoun, Georgia;  October 6, 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 - 6:55 -
- - - - - - 147° 1.3 m/s 12.5°C - thin
broken
stratus
Weather reports showed that a front was approaching.
- - 7:02 - - - - - - - - - - - High scans through binoculars were not productive.
- - 7:16 - - - - - - - - - yes - WW: radar showed targets.  High scans through binoculars still were not productive.  Swifts were foraging and were probably the radar targets.
- - 7:20 - - - - - - 177° 1.0 m/s - - - -
- - 7:26 - - - - - - - - 12.5°C yes - Swifts were foraging at 30 m.
Break - 7:58 -
8:40
- - - - - - - - - - - I went back to town for supplies.  No D. plexippus were seen during the drive.
306 D. plexippus 8:41 30 m flap straight level 323° left 177° 1.7 m/s 14.5°C - - -
Break - 8:48 - - - - - - - - - - thin,
broken,
stratus
Calibration of radar system showed that D. plexippus was detected out to 2,000 m and that J. coenia was detected out to about 1,100 m.
Resume - 8:55 - - - - - - - - - - - WW:  Radar was not detecting any targets at 8:50.  High scans through binoculars were not productive.