47 CFR § 22.863 - Frequency stability.

---
identifier: "/us/cfr/t47/s22.863"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 22.863 - Frequency stability."
title_number: 47
title_name: "Telecommunication"
section_number: "22.863"
section_name: "Frequency stability."
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"
---


# 22.863 Frequency stability.

The frequency stability of equipment used under this subpart shall be sufficient to ensure that, after accounting for Doppler frequency shifts, the occupied bandwidth of the fundamental emissions remains within the authorized frequency bands of operation.

[70 FR 19310, Apr. 13, 2005]