Info
As time passed...
1982 - SWL OK1-32802
1990 - first call OK1UND, class "D"
2005 - till today OK1IN, class "A"
Contact - QRZ.com
QSL info - only via LoTW, Direct or via E-mail (PDF)
Member of RSGB, ARRL, AMSAT
Logbook on QRZ
Actual CONDX