PROJECT 10073 RECORD CARD 1. DATE 10 October 1962 2. LOCATION Chicago, Illinois 3. DATE-TIME GROUP Local______________ GMT 11/0300Z 4. TYPE OF OBSERVATION [x] Ground-Visual □ Ground-Radar □ Air-Visual □ Air-Intercept Radar 5. PHOTOS □ Yes [x] No 6. SOURCE Civilian 7. LENGTH OF OBSERVATION 15 minutes 8. NUMBER OF OBJECTS one 9. COURSE East 12. CONCLUSIONS □ Was Balloon □ Probably Balloon □ Possibly Balloon □ Was Aircraft □ Probably Aircraft □ Possibly Aircraft □ Was Astronomical □ Probably Astronomical □ Possibly Astronomical [x] Other: Satellite(ECHO I) □ Insufficient Data for Evaluation □ Unknown 10. BRIEF SUMMARY OF SIGHTING Illuminated obj with appearance of star in flight fm West to East observd with low power Binoculars. Witness wanted to know if obj was ECHO. 11. COMMENTS Witness considered obj as possible Satellite. ECHO I data not available for Chicago at this time; however, ECHO was over Toronto Canada 9 mins after the rptd sighting moving NE & would probably have been visible fm Chicago. Case evaluated as ECHO I. ATIC FORM 329 (REV 26 SEP 52)