# eval_ac Read the `ABSCAL.HIS` file of RPG microwave radiometers (e.g. HATPRO), plot the history of the absolute calibration with liquid nitrogen and check the latest calibration for drift and other problems. ```sh pip install git+https://github.com/WillyWallace/eval_ac.git eval-ac ABSCAL.HIS ``` ```{toctree} :maxdepth: 2 installation usage python file_format changelog releasing ``` The source code is on [GitHub](https://github.com/WillyWallace/eval_ac). eval_ac is developed by Andreas Foth (Leipzig University) and distributed under the MIT license.