87983ea854857a0b
28961591.pdf
NARA·NARA_PBB_597821_pdfs-2·pdf·8.3 MB·2 pages
Scores
1.6
Document value
0.0
Cross-references
2.0
Provenance
3.6
Info density
2.0
Topic relevance
0.0
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Events this document cites (1)
OCR'd text preview (2 of 2 pages)
Source: mistral_ocr · confidence ~95%
page 1
| 1. DATE | 2. LOCATION | 12. CONCLUSIONS | | --- | --- | --- | | 18 March 1955 | San Francisco, California | ☐ Was Balloon ☐ Probably Balloon ☐ Possibly Balloon | | 3. DATE-TIME GROUP Local GMT 19/0405Z | 4. TYPE OF OBSERVATION ☑ Ground-Visual ☐ Air-Visual ☐ Ground-Radar ☐ Air-Intercept Radar | ☐ Was Aircraft ☐ Probably Aircraft ☑ Possibly Aircraft | | 5. PHOTOS ☐ Yes ☑ No | 6. SOURCE Civilian | ☐ Was Astronomical ☐ Probably Astronomical ☐ Possibly Astronomical | | 7. LENGTH OF OBSERVATION twenty seconds | 8. NUMBER OF OBJECTS one | 9. COURSE arc NW to NE | | 10. BRIEF SUMMARY OF S…
page 2
UFOB INDEX CARD | 1. DATE | 2. LOCATION | 12. CONCLUSIONS | | --- | --- | --- | | 18 March 1955 | San Francisco, California | ☐ Was Balloon ☐ Probably Balloon ☐ Possibly Balloon | | 3. DATE-TIME GROUP | 4. TYPE OF OBSERVATION | ☐ Was Aircraft ☐ Probably Aircraft ☑ Possibly Aircraft | | Local GMT 19/0606Z Mar 1955 | Ground-Visual ☐ Air-Visual Ground-Radar ☐ Air-Intercept Radar | ☐ Was Astronomical ☐ Probably Astronomical ☐ Possibly Astronomical | | 5. PHOTOS ☐ Yes ☑ No | 6. SOURCE Civilian | ☐ Other ☐ Insufficient Data for Evaluation ☐ Unknown | | 7. LENGTH OF OBSERVATION | 8. NUMBE…
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