Citations
List of radio stations for use with the plotting map: European Section (showing their call signs, frequencies, and power)', 1939, GBR/3296/Maps/CCSA.IM_533_2, IM_533_2. Cambridge University Library. |
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List of radio stations for use with the plotting map: European Section (showing their call signs, frequencies, and power)', 1939, GBR/3296/Maps/CCSA.IM_533_2, IM_533_2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240375 Accessed November 15, 2024. |