I'm currently skinning the SAAB J-35F2 Draken, and i can't find accurate info on the numerals used for squadron and individual plane markings by the flygvapnet.
I don't know such sources on the Internet.
Maybe you should try a book on Saab or the Swedish Air Force.
If you have such documentation we are able to help you with making a template or font.
Contact the Guys in Flygflottilj 16 and have a chat with them, their skins have pretty accurate stuff on it, and if Im not mistaken the stencils are still the same for callsigns as the one F16 uses.