Hi Amal,

You could create a simple POST query to VITMO service (https://omniweb.gsfc.nasa.gov/vitmo/cgm_vitmo.html).

See https://github.com/Albom/utils/blob/master/geom.py

thank you very much i used your recommendation and i become able to convert geograpgic coordinates to magnetic

I tried Oleksandr's program with this result:

runfile('C:/WDC/geomag.py', wdir='C:/WDC')

Traceback (most recent call last):

File "", line 1, in

runfile('C:/WDC/geomag.py', wdir='C:/WDC')

File "C:\Users\My DELL\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 704, in runfile

execfile(filename, namespace)

File "C:\Users\My DELL\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 108, in execfile

exec(compile(f.read(), filename, 'exec'), namespace)

File "C:/WDC/geomag.py", line 60, in

print(year, c.geom(49.6754912, 36.2922004, year))

File "C:/WDC/geomag.py", line 43, in geom

ss = r.text[r.text.index('') + 5: r.text.index('')]

ValueError: substring not found

Dear Leif Svalgaard ,

URL of the CGM model was changed therefore server's response was Error 404. Please try the latest version of the script ( https://github.com/Albom/utils/blob/master/geom.py).