47 CFR § 80.559 - Licensing limitations.

---
identifier: "/us/cfr/t47/s80.559"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 80.559 - Licensing limitations."
title_number: 47
title_name: "Telecommunication"
section_number: "80.559"
section_name: "Licensing limitations."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "D"
subchapter_name: "SAFETY AND SPECIAL RADIO SERVICES"
part_number: "80"
part_name: "STATIONS IN THE MARITIME SERVICES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 151-155, 301-609; 3 U.S.T. 3450, 3 U.S.T. 4726, 12 U.S.T. 2377."
regulatory_source: "51 FR 31213, Sept. 2, 1986, unless otherwise noted."
cfr_part: "80"
---


# 80.559 Licensing limitations.

Operational fixed stations are subject to the following licensing limitations:

(a) A maximum of four frequencies will be assigned.

(b) Stations will not be authorized when applications indicate less than 16 km (10 miles) separation between a proposed station and a TV transmitter operating on either Channel 4 or 5, or from the post office of a community in which either channel is assigned but not in operation.

(c) Stations located between 16 km (10 miles) and 128 km (80 miles) of a TV transmitter operating on either Channel 4 or 5, or from the post office of a community in which either channel is assigned but not in operation, are secondary to TV operations within the Grade B service contour.

[51 FR 31213, Sept. 2, 1986; 51 FR 34984, Oct. 1, 1986, as amended at 54 FR 40059, Sept. 29, 1989; 90 FR 57709, Dec. 12, 2025]