Name	Notation	Description	Types	Status
Sigma-0 measurement is not usable	1		Concept	stable
Signal to noise ratio is low	2		Concept	stable
Sigma-0 is negative	3		Concept	stable
Sigma-0 is outside of acceptable range	4		Concept	stable
Scatterometer pulse quality is not acceptable	5		Concept	stable
Sigma-0 cell location algorithm does not converge	6		Concept	stable
Frequency shift lies beyond the range of the x factor table	7		Concept	stable
Spacecraft temperature is beyond calibration coefficient range	8		Concept	stable
No applicable altitude records were found for this sigma-0	9		Concept	stable
Interpolated ephemeris data are not acceptable for this sigma-0	10		Concept	stable