4.1.29 GLS记录概述
This record contains a sequential listing of all GNSS Landing Systems (GLS) approaches, including the slope, course and reference path idents of the GLS approach. A GLS approach is identified by its ident and channel. Note that several GLS approaches can be supported by a single differential GLS ground station.
此记录包含所有全球导航卫星系统着陆系统（GLS）进近的顺序列表，包括 GLS 进近的坡度、航向和参考路径标识。GLS 进近通过其标识和频道来识别。请注意，单个差分 GLS 地面站可以支持多个 GLS 进近。
4.1.29.1 GLS主记录
| 列 | 字段名(字节数) | Field Name | 定义编号 |
|---|---|---|---|
| 1 | 数据源类型(1) | Record Type | 5.2 |
| 2~4 | 客户/区域代码(3) | Customer/Area Code | 5.3 |
| 5 | 章代码(1) | Section Code | 5.4 |
| 6 | 空白(1) | Blank | 5.5 |
| 7~10 | 机场四码(4) | Airport or Heliport Identifier | 5.6 |
| 11~12 | 情报区二码(2) | ICAO Code | 5.14 |
| 13 | 节代码(1) | Subsection code | 5.5 |
| 14~17 | GLS基准航径码(4) | GLS Ref Path Identifier | 5.44 |
| 18 | GLS等级(1) | GLS Category | 5.80 |
| 19~21 | 空白(3) | Blank | |
| 22 | 续记录号(1) | Continuation Number | 5.16 |
| 23~27 | GLS通道号(5) | GLS Channel | 5.244 |
| 28~32 | 跑道号(5) | Runway Identifier | 5.46 |
| 33~51 | 空白(19) | Blank | |
| 52~55 | GLS进近方位角(4)Note1 | GLS Approach BearingNote1 | |
| 56~64 | GLS台站纬度(9) | Station Latitude | 5.36 |
| 65~74 | GLS台站经度(10) | Station Longitude | 5.37 |
| 75~78 | GLS台站代码(4) | GLS Station ident | 5.243 |
| 79~83 | 空白(5) | Blank | |
| 84~85 | 服务范围(2) | Service Volume Radius | 5.245 |
| 86~87 | TDMA时间槽(2) | TDMA Slots | 5.246 |
| 88~90 | GLS下滑道(3) | GLS Approach Slope | 5.52 |
| 91~95 | 磁差(5) | Magnetic Variation | 5.39 |
| 96~97 | 留白(2) | Reserved | |
| 98~102 | 台站标高(5) | Station Elevation | 5.74 |
| 103~105 | 地理坐标系(3) | Datum Code | 5.197 |
| 106~108 | 台站类型(3) | Station Type | 5.247 |
| 109~110 | 空白(2) | Blank | |
| 111~115 | 台站标高WGS84(8) | Station Elevation WGS 84 | |
| 116~123 | 空白(8) | Blank | |
| 124~128 | 文件记录编号(5) | File Record No. | 5.31 |
| 129~132 | 生成周期(4) | Cycle Data | 5.32 |
Note 1: GLS reference point should be equal to IFR landing threshold position, as it is the trajectory reference point.
注 1：GLS 参考点应等于仪表飞行规则着陆阈值位置，因为它是轨迹参考点。
Note 2: All the latitudes/longitudes of the record refer to the same datum code.
注 2: 记录中的所有纬度/经度都参考相同的基准代码。
4.1.29.2 GLS续记录
| 列 | 字段名(字节数) | Field Name | 定义编号 |
|---|---|---|---|
| 1 | 数据源类型(1) | Record Type | 5.2 |
| 2~4 | 客户/区域代码(3) | Customer/Area Code | 5.3 |
| 5 | 章代码(1) | Section Code | 5.4 |
| 6 | 空白(1) | Blank | 5.5 |
| 7~10 | 机场四码(4) | Airport or Heliport Identifier | 5.6 |
| 11~12 | 情报区二码(2) | ICAO Code | 5.14 |
| 13 | 节代码(1) | Subsection code | 5.5 |
| 14~17 | GLS基准航径码(4) | GLS Ref Path Identifier | 5.44 |
| 18 | GLS等级(1) | GLS Category | 5.80 |
| 19~21 | 空白(3) | Blank | |
| 22 | 续记录号(1) | Continuation Number | 5.16 |
| 23 | 应用类型(1) | Application Type | 5.91 |
| 24~123 | 留白(100) | Reserved (Expansion) | |
| 124~128 | 文件记录编号(5) | File Record No. | 5.31 |
| 129~132 | 生成周期(4) | Cycle Data | 5.32 |
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