47 CFR 101.143
§ 101.143 Minimum path length requirements.
United States · 47 CFR — Telecommunication · Status: effective
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- Citation
- 47 CFR 101.143, § 101.143 Minimum path length requirements, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/238669
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Full text
(a) The distance between end points of a fixed link in the private operational fixed point-to-point and the common carrier fixed point-to-point microwave services must equal or exceed the value set forth in the table below or the EIRP must be reduced in accordance with the equation set forth below:
(b) For paths shorter than those specified in the table in paragraph (a) of this section, the EIRP shall not exceed the value derived from the following equation:
For transmitters using Automatic Transmitter Power Control, EIRP corresponds to the maximum transmitter power available, not the coordinated transmit power or the nominal transmit power.
(c) Upon an appropriate technical showing, applicants and licensees unable to meet the minimum path length requirement may be granted an exception to these requirements.
Links authorized prior to April 1, 1987, need not comply with this requirement.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.