This program determines a DXCC from it's callsign with the help of the country files from AD1C. Get the Big CTY file from here: https://www.country-files.com/category/big-cty/

Ported version from PERL to PHP.

Based on the works by Fabian Kurz, DJ5CW: http://fkurz.net/ham/dxcc.html

Source here: https://git.fkurz.net/dj1yfk/dxcc

Demo here: https://la8aja.com/dxcc/

Testcalls:

• VE3EY/VP9 - Bermuda
• VP2MDG - Montserrat
• VP2EY - Anguilla
• VP2VI - B.V.I.
• VP2V/AA7V - B.V.I.
• W8LR/R - USA (Rover)
• SO1FH - Poland
• KZ1H/PP - Brazil (not used, but to distinguish between /P and /PP)
• K1KW/AM - none -- Aeronautical Mobile
• K1KW/MM - none -- Maritime Mobile
• TF/DL2NWK/P - Iceland
• OZ1ALS/A - Denmark
• LA1K - Norway
• K1KW/M - USA (Mobile)
• TF/DL2NWK/M - Iceland
• TF/DL2NWK/MM - None
• TF/DL2NWK/P - Iceland
• 2M0SQL/P - Scotland (portable)
• FT8WW - Crozet
• OH/DJ1YFK - Finland
• RV0AL/0/P - Asiatic Russia
• N6TR/7 - USA
• KH0CW - USA (if everything is not ok, this was Mariana Island)