---
kind: "section"
citation: "47 C.F.R. § 80.81"
title: "47"
number: "80.81"
heading: "Antenna requirements for ship stations."
url: "https://uscodex.org/cfr/47/80.81"
---

# §80.81. Antenna requirements for ship stations.


All telephony emissions of a ship station or a marine utility station on board ship within the frequency band 30-200 MHz must be vertically polarized.


## Notes

### Authority

Authority: 47 U.S.C. 151-155, 301-609; 3 U.S.T. 3450, 3 U.S.T. 4726, 12 U.S.T. 2377.

### Source

Source: 51 FR 31213, Sept. 2, 1986, unless otherwise noted.