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(b) Explanation of assignment limitations appearing in the frequency tabulation of this section:

(1) Limited to developmental operation only with the assigned frequency and particulars of operation specified in each authorization.

(2) Available only on a shared basis with stations in other services, and subject to no protection from interference due to the operation of industrial, scientific, or medical devices.

(3) Use of this frequency is subject to the condition that no harmful interference will be caused to the reception of

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television channels 4 or 5. Assignments will be made only in accordance with the criteria set forth in § 91.8.

(4) This frequency will be assigned only for the specific purpose of transmitting hydrological or meteorological data. The use of this frequency is subject to the condition that harmful interference will not be caused to Federal Government stations, and further, that the hydrological or meteorological data being handled is made available to interested governmental agencies. Other rule provisions of this part notwithstanding, an operational fixed station operat