GNSSAttitudeProvider (OREKIT 12.2.1 API)

All Superinterfaces:

AttitudeProvider

All Known Implementing Classes:

BeidouGeo, BeidouIGSO, BeidouMeo, Galileo, GenericGNSS, Glonass, GPSBlockIIA, GPSBlockIIF, GPSBlockIIR
```
public interface GNSSAttitudeProvider
extends AttitudeProvider
```
Attitude providers for navigation satellites.
The attitude mode is compliant with IGS conventions for spacecraft frame, i.e. the +Z axis is towards Earth and the +X axis is in the Sun direction. This may be different from some manufacturers conventions, for example for GPS blocks IIR/IIRM whose X axis convention is opposite.

Since:

9.2

Author:

Luc Maisonobe

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`AbsoluteDate`	`validityEnd()`	Get end of validity for this provider.
`AbsoluteDate`	`validityStart()`	Get start of validity for this provider.

Methods inherited from interface org.orekit.attitudes.AttitudeProvider
getAttitude, getAttitude, getAttitudeRotation, getAttitudeRotation

- Method Detail
  - validityStart
```
AbsoluteDate validityStart()
```
    Get start of validity for this provider.
    
    Returns:
    
    start of validity for this provider
  - validityEnd
```
AbsoluteDate validityEnd()
```
    Get end of validity for this provider.
    
    Returns:
    
    end of validity for this provider