The Redbank Shear Zone also accommodates 25 % of the apparent shortening.
2.
The words blueshift and redshift derive from the appearance of the effect when it is in the visible spectrum, but they generally refer to any apparent shortening or lengthening of electromagnetic waves due to relative motion between the source and observer.
3.
I'd forgotten about recalibrating the power gauge for discharge monitoring . ( Failing to do this might give an apparent shortening of battery duration, but this will be corrected when next fully charged . ) See Guy's links below.
मोबाइल