Measured position of an aircraft in local polar coordinates.
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Measured position of an aircraft in local polar coordinates.
- Format:
- Four-octet fixed length Data Item
- Structure:
- RHO (2 octets): Distance from radar station
- THETA (2 octets): Azimuth angle from radar station
- Resolution:
- RHO: 1/128 NM (approx 14.5 meters)
- THETA: 360/2^16 deg (approx 0.0055 degrees)
- Units:
- RHO: nautical miles (nm)
- THETA: degrees
◆ ast_dataitem_001_040_get_size
Get size function for I001/040.
◆ ast_dataitem_001_040_decode()
Decode Data Item I001/040.
- Parameters
-
- Returns
- Decoded polar coordinates structure
◆ ast_dataitem_001_040_encode()
Encode Data Item I001/040.
- Parameters
-
| buffer | Output buffer |
| buf_size | Buffer size |
| xdi | Extended data item information |
- Returns
- Encoded data item
◆ ast_dataitem_001_040_get_detail_html()
| void ast_dataitem_001_040_get_detail_html |
( |
char * | detail, |
|
|
const size_t | detail_size, |
|
|
const ast_dataitem_t | di ) |
Get detailed HTML representation for I001/040.
- Parameters
-
| detail | Output buffer for HTML detail |
| detail_size | Size of detail buffer |
| di | Data item to detail |
◆ ast_dataitem_001_040_get_summary()
| void ast_dataitem_001_040_get_summary |
( |
char * | summary, |
|
|
const size_t | summary_size, |
|
|
const ast_dataitem_t | di ) |
Get summary text for I001/040.
- Parameters
-
| summary | Output buffer for summary |
| summary_size | Size of summary buffer |
| di | Data item to summarize |