Welcome to the home page of Ham Radio Station OP4K    

Primary call ON4JZ
Other callsigns used OO4JZ - OQ4JZ - OR4JZ - OS4JZ - OT4JZ and OT5A (contest team Lier M/M) 

Ex callsigns ON1BZJ - ON4AJZ

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Click on one of the button(s) below to see the corresponding QSL card(s) of the countries that starts with that letter




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Ziegelshiffer Joe OP4K 2018 - Last update December 26, 2017