python-quantities/python-quantities — pull request #58 by cgranade (2013-04-06 03:00:32+00:00)
Title: Added log-intensity and log-power units.

Added two new `IrreducibleUnits`, `UnitLogIntensity` and `UnitLogPower` for tracking units such as "dB" and "dBm", respectively. These units are especially useful when specifying instructions for instrument control.