This is Josh Barney's version of the microwave radiative transfer code RADTRAN from AFRL but written in python.

Pytran © 2011 Joshua Barney

requirements:
	python 3.x
	sqlite
	firefox (for plotting results)

example:
$ python3 PyTran.py 
Welcome to PyTran. Copyright 2011 Joshua Barney
Enter 'help' for a list of commands
>>>help
set atmosphere
set spectrum
start simulation
store results
plot results
exit
exit
>>>set atmosphere
Please enter the atmosphere name TIGR0001
Atmosphere set
>>>set spectrum
Please enter low end frequency (GHz) for simulation : 10
Please enter high end frequency (GHz) for simulation : 50
Please enter the step size (GHz) : .1
Spectrum set
>>>start simulation
Running simulation
starting worker process
starting worker process
starting worker process
Simulation accomplished
>>>store results
Please enter name of result set : storeMePlease
Results stored
>>>plot results
>>>exit

the database currently holds about 1700 TIGR radiosonds with name TIGRXXXX where XXXX can be 0001-1700ish.

The user interface is pretty brittle right now. It is mostly a proof of concept.

Tests:
there is a file to test the results of PyTran against results obtained from RADTRAN on various frequencies from 1.4 GHZ to 400 GHZ.
To run:
$ python3 ray_test_coefficients.py

it should print a bunch of numbers and then give a time for the test run followed by 'OK' if the test was successful.