47 CFR § 90.719 - Individual channels available for assignment in the 220-222 MHz band.
(a) Channels 171 through 200 are available to both Government and non-Government Phase I applicants, and may be assigned singly or in contiguous channel groups.
(b) Channels 171 through 180 are available for any use by Phase I applicants consistent with this subpart.
(d) Channels 161 through 170 and 181 through 185 are the only 220-222 MHz channels available to Phase II non-nationwide, Government users.
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