Ham Radio Station OR7K - My QSL Cards
Primary Call: ON4JZ
Ex Calls: ON1BZJ - ON4AJZ - OP4K

My QSL Cards

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ON4AJZ QSL Cards

ON4AJZ 1982-1987
QSL card (1982 - 1987)
ON4AJZ 1987-1995
QSL card (1987 - 1995) (moved QTH)
ON4AJZ 1995-2001
QSL card (1995 - 2001) (moved again)
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OQ4JZ QSL Card

OQ4JZ
QSL card (2001)
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ON4JZ QSL Cards

ON4JZ 2001-2003
1st QSL card (2001 - 2003)
ON4JZ since 2003
2nd QSL card (since 2003)
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OO4JZ QSL Cards

OO4JZ 1st
1st QSL card (2005)
OO4JZ 2nd
2nd QSL card (2005)
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OP4K QSL Cards

OP4K 1st
1st QSL card (since March 2006)
OP4K 2nd
2nd QSL card (since March 2006)
OP4K 3rd
3rd QSL card (since October 2009)
OP4K 4th
4th QSL card (since March 2012)
OP4K 2021
5th QSL card (since January 2021)
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OR7K QSL Card

OR7K
1st QSL (since February 2025)
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Solar and Propagation Data

Solar-Terrestrial Data
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