Wilbert Smith Archives Files Box 1136 22 1136-22-p010

Document Text (OCR)

ve Re: : Se UFO OBSERVERS INSTRUCTION SWOT {Sky Dingras) ns The diagram represents all of the sky noreally visible to the observer, who ie pletured standing uoder the center of the “done” of the sky. It is de: to shova three-tinensicoal view of the area coatered aroun! the cbrerver at the Aime of the UPO sighting. Te The ponition of any chjecs in the shy cen te dexcribed ty giving its 4 Pier uagtejuperd free ibe boriten, and itn bearing er angle te sofiteny tastvan from north. (a) Blevation is...