ev-intel-7f9aebb0ccee

1M OSI 24/40 SIR-15 — 1950-09-01 — 907 Amador Street, Vallejo, California

1950-09-01· 907 Amador Street, Vallejo, CaliforniaResolved prosaic
Strangeness (S)
0.0
Credibility (P)
1.0
Evidence (EVID)
1.0
Date conf
8.0
Loc conf
0.0

Narrative

Prior to 1 September 1950, Mrs. Ilene Brink found an object resembling a large wind current observation kite in her yard at 907 Amador Street, Vallejo, California. Published in Vallejo News-Chronicle 1 September 1950. Investigation determined it was a RAVIN (Radar Vector Intensity Navigation) wind-observation device released by Sgt. H. C. Adornik's Detachment E, 3903rd Radar Bomb Strike Station, Treasure Island Naval Station. Devices released twice daily at 0800 and 1500 hours for meteorological purposes. The device was a foil-covered radar reflector kite attached to a hydrogen-filled rubber balloon.

extracted via: llm_subagent_v1

Witnesses (2)

Source documents (1)

Click filename to view on Internet Archive (where these are mirrored as public-domain US-government records).

Score evidence (6)

Why this event scored the way it did. Every contribution is traceable.

s

  • weather balloon (-2.0)
  • outcome=resolved_prosaic (cap S<=3)
  • post-blend cap S<=3 (resolved_prosaic)

p

  • docs=1 (+0.5)
  • single agency (+0.5)

evid

  • narrative only (base 1)