Nequick-ITUR

python wrapper for Nequick-ITUR

Nequick-ITUR is an ionospheric model accepted by the International Telecommunication Union (ITU)

The fortran code can be downloaded from http://www.itu.int/en/ITU-R/study-groups/rsg3/Pages/iono-tropo-spheric.aspx

---

Why this repository?

Out of the box, the fortran library does not compile well with f2py on Ubuntu 16. This repository describes and saves the modifications required

Modification

1. Rename CCIR*.ASC to lowercase ccir*.asc

2. Rename uppercase DIPLATS.ASC to lowercase diplats.asc

3. Remove invalid end of file character in the following fortran source files

   • NeQuick_ITU.for
   • eldens_ITUR.for
   • slQu.for

4. Generate f2py signature file for NeQuick

    ```bash
    f2py NeQuick_ITUR.for -m NeQuick_ITUR -h NeQuick_ITUR.pyf
    ```
   

5. Remove the following lines from the function signature

    ```
            entry eldens(h,alat,along)
            entry vert(h)
    ```
   

optionally you may want to define two new function/subroutine signatures of the two entry points you have deleted

5. Generate *.so files

    ```bash
    f2py -c NeQuick_ITUR.pyf NeQuick_ITUR.for
    f2py -c slQu.for -m slQu
    f2py -c eldens_ITUR.for -m eldens_ITUR
    ```
   

6. Test in python:

    ```python
    import NeQuick_ITUR
    Nequick_ITUR.nequick(100,40,40,12,100,12)
    ```