# Radiolocation Operations in the 78-81 GHz Bands; Request by the Trex Enterprises Corporation for Waiver
> **Federal Communications Commission** · Final rule. · Published 2013-07-26 · Effective 2013-08-26 · 78 FR 45072
## Document
- **Document number:** 2013-18013
- **Category:** spectrum-allocation
- **Federal Register citation:** 78 FR 45072
- **CFR reference:** 47 CFR 87
- **Publication date:** 2013-07-26
- **Effective date:** 2013-08-26
- **FCC docket:** WT Docket No. 11-202
## Abstract

In this document, the Federal Communications Commission (Commission) amends its rules to permit the certification, licensing, and use of foreign object debris (FOD) detection radar equipment in the 78-81 GHz band. The presence of FOD on airport runways, taxiways, aprons, and ramps poses a significant threat to the safety of air travel. FOD detection radar equipment will be authorized on a licensed basis.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/07/26/2013-18013/radiolocation-operations-in-the-78-81-ghz-bands-request-by-the-trex-enterprises-corporation-for)
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