47 CFR § 22.1009 - Transmitter locations.
---
identifier: "/us/cfr/t47/s22.1009"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 22.1009 - Transmitter locations."
title_number: 47
title_name: "Telecommunication"
section_number: "22.1009"
section_name: "Transmitter locations."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "B"
subchapter_name: "COMMON CARRIER SERVICES"
part_number: "22"
part_name: "PUBLIC MOBILE 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. 154, 222, 303, 309, and 332."
regulatory_source: "59 FR 59507, Nov. 17, 1994, unless otherwise noted."
cfr_part: "22"
---
# 22.1009 Transmitter locations.
The rules in this section establish limitations on the locations from which stations in the Offshore Radiotelephone Service may transmit.
(a) *All stations.* Offshore stations must not transmit from locations outside the boundaries of the appropriate zones specified in § 22.1007. Offshore stations must not transmit from locations within 241 kilometers (150 miles) of any full-service television station that transmits on the TV channel containing the channel on which the offshore station transmits.
(b) *Airborne subscriber stations.* Airborne subscriber stations must not transmit from altitudes exceeding 305 meters (1000 feet) above mean sea level. Airborne mobile stations in Zone A must not transmit from locations within 129 kilometers (80 miles) of Lake Charles, Louisiana. Airborne mobile stations in Zone B must not transmit from locations within 129 kilometers (80 miles) of Lafayette, Louisiana. Airborne mobile stations in Zone C must not transmit from locations within 129 kilometers (80 miles) of Corpus Christi or locations within 129 kilometers (80 miles) of Houston, Texas.