2-1.     Introduction

2-2.    Types of Stations

2-3.    General Types of Observations

2-4.    Augmentation Requirements

2-5.    Backup Requirements

2-6.    Long-Line Backup Requirements

2-7.    Certification of Personnel and Currency Requirements

2-8.    Types and Content of METAR/SPECI Observations

Figure 2-1.   Guide to Contents of Automated and Manual Aviation
                    Routine Weather Reports (METAR) and Aviation Selected
                    Special Weather (SPECI) Observations

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