---
title: "radiosonde observation freezing levels — aviation glossary — OnlyPlanes"
description: "RAFRZ stands for radiosonde observation freezing levels in FAA terminology."
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  "og:title": "radiosonde observation freezing levels — aviation glossary"
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Aviation abbreviation

# radiosonde observation freezing levels

RAFRZ

ABBR · Radio communications and ATC

At a glance

## Meaning of radiosonde observation freezing levels

RAFRZ stands for radiosonde observation freezing levels in FAA terminology.

### More about radiosonde observation freezing levels

This abbreviation is used in radio communications and air traffic control. The English reference lists radiosonde observation freezing levels with the abbreviation RAFRZ.

FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.

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