Pydarn

**New Requirement**: pyDARN 2.2 requires a minimum matplotlib version of 3.3.4

pyDARN release v2.2 includes the following features:
- **New** Radar geographical Field-of-View (FOV) calculations functionality
- **Deprecation** Removed FOV files for radars geographic beam location
- **New** pytesting environment for testing pydarn for development
- **New** FOV grid lines to show range gates
- **New** `channel` option in Fan plots
- Bugfix in Range-time plots with groundscatter
- Bugfix in Range-time plots with time-shifting

**Deprecation**: `slant` option in `plot_range-time` and `plot_summary` is deprecated now uses `coords`

pyDARN release v2.1 includes the following features:
- Updates to Fan plots
- Updates to FOV plots
- **NEW** Grid Plot
- **NEW** Ground-Scatter Mapped Range option for Range-Time plots
- **NEW** `Coords` enumerator for selecting coordinate system
- updated documentation

pyDARN release v2.0.1 includes the following features:
- Integration with pyDARNio to read files
- Updates to Hardware utility
- **Fan Plots** with transparent fix
- **Statistical Power Plots**
- Slant range option for plotting
- getting beam/gate geographic/geomagnetic locations
- updated documentation

pyDARN release v2.0includes the following features:

- Integration with pyDARNio to read files
- Updates to Hardware utility
- **Fan Plots**
- **Statistical Power Plots**
- Slant range option for plotting
- getting beam/gate geographic/geomagnetic locations
- updated documentation

pyDARN release v1.1 includes the following features:

**pyDARN will be removing the IO package in the next release. Please use pyDARNio**

- Deprecation warnings for IO reading of pyDARN
- Borealis v 5.0 file reading
- Bugfix in RAWACF field checking
- Bugfix in grabbing the most recent hardware files
- Added JME and DCN to the hardware list
- Plotting ACFs
- updated logging in pyDARN

pyDARN release v1.1 includes the following features:

**pyDARN will be removing the IO package in the next release. Please use pyDARNio**

- Deprecation warnings for IO reading of pyDARN
- Borealis v 5.0 file reading
- Bugfix in RAWACF field checking
- Bufix in grabbing the most recent hardware files
- Added JME and DCN to the hardware list
- Plotting ACFs
- updated logging in pyDARN