Comparison of geomagnetic records and North Atlantic radio propagation quality figures - October 1943 through May 1945
| Format: | Report |
|---|---|
| Language: | unknown |
| Published: |
National Bureau of Standards
1945
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.6028/nbs.irpl.18 |
| Description not available. |