47 CFR Subpart K
Standards for Special Frequencies or Frequency Bands
February 16, 2021
§
90.251
Scope
§
90.253
Use of frequency 5167.5 kHz
§
90.255
[Reserved]
§
90.257
Assignment and use of frequencies in the band 72-76 MHz
§
90.259
Assignment and use of frequencies in the bands 216-220 MHz and 1427-1432 MHz
§
90.261
Assignment and use of the frequencies in the band 450-470 MHz for fixed operations
§
90.263
Substitution of frequencies below 25 MHz
§
90.264
Disaster communications between 2 and 10 MHz
§
90.265
Assignment and use of frequencies in the bands allocated for Federal use
§
90.266
Long distance communications on frequencies below 25 MHz
§
90.267
Assignment and use of frequencies in the 450-470 MHz band for low power use
§
90.269
Use of frequencies for self-powered vehicle detectors
§
90.273
Availability and use of frequencies in the 421-430 MHz band
§
90.275
Selection and assignment of frequencies in the 421-430 MHz band
§
90.279
Power limitations applicable to the 421-430 MHz band
§
90.281
Restrictions on operational fixed stations in the 421-430 MHz band
§
90.283
[Reserved]
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