The Jacobson Databases

These documents were compiled by Randall S. Jacobson, Ph.D., for the Earhart Project and are © Randall S. Jacobson and TIGHAR. They are published here for the use of researchers and other interested parties. No permission to copy, publish, or distribute is given or implied.

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Navigation Logs:

Explanation	Colorado	Cushing	Drayton
Honolulu	Itasca	Lamson	Lexington
Ontario	PBY	Swan

Radio Logs:

Explanations	Procedures	Call Signs
Sources	Z-Codes	July 1
July 2	July 3	Other

Radio Messages:

Explanations	Call Signs	Sources	Time Zones	Weather Codes
Group 1	Group 2	Group 3	Group 4	Group 5
Group 6	Group 7	Group 8	Group 9	Group 10
Group 11	Group 12	Group 13

Weather Reports:

Explanations

Reports

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