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Appendix B: IEEE Standard Letter Designations for Radar Bands
Pages 234-236

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From page 234...
... These designations were used to keep the frequencies of radar operations a secret throughout the war and afterward. This secrecy ended and some degree of global standardization was achieved during the International Telecommunication Union (ITU)
From page 235...
... The frequency allocations listed include those for both primary and secondary service. The listings of frequency assignments are included for reference only and are subject to change.
From page 236...
... 8. The frequency range of 24.65-24.75 GHz includes satellite radiolocation (Earth to space only)

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