Instructions for Modulated Audio Frequency Radiosonde Observations, Circular F (Fourth Edition), Aug. 1943.
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
[Washington] :
[s.n.],
1943.
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| Subjects: | |
| Online Access: | Electronic resource (PDF) |
| Item Description: | Includes illustrations, photographs, graphs, and tables. |
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| Physical Description: | 1 online resource (113 pages), digital, PDF file |