May 19, 2020 00:00 UTC – May 31, 2020 23:59 UTC.

Special call signs

Six special stations will be active to commemorate the first licensees:

OL901AA (in memory of Ing. Mirko Schäferling, OK1AA),
OL901AB (in memory of Pravoslav Motyčka, OK1AB),
OL902AC (in memory of MUC. Zdeněk Neumann, OK2AC),
OL901AF (in memory of Josef Štětina, OK1AF, later OK1AZ),
OL902AG (in memory of Ladislav Vydra, OK2AG),
OL901AH (in memory of Alois Weirauch, OK1AH, later OK1AW).
There will be activated also special stations to commemorate all the historic and actual organizations gathering Ham Radio enthusiasts in Czech Republic:
OL90SKEC (SKEČ, Sdružení krátkovlnných experimentátorů československých 1928-1932).
OL90KVAC (KVAČ, Krátkovlnní amatéři českoslovenští, 1929-1932).
OL90CAV (ČAV, Českoslovenští amatéři vysílači, 1932-1951, 2004-today).
OL90ROH (Revoluční odborové hnutí, 1951-1953).
OL90SVAZARM (Svaz pro spolupráci s armádou, 1953-1990),
OL90CRK (Československý, později Český radioklub, od r. 1990-today)

Award rules

There are three classes for contacts with special stations OL90.
III. class (bronze): 50 points
II. class (silver): 100 points
I. class (gold): 150 points


All contacts must be made on following bands: 1.8 MHz, 3.5 MHz, 7 MHz, 10.1 MHz, 14 MHz, 18 MHz, 21 MHz, 24.9 MHz, 28 MHz, 50 and 144 MHz.


All contacts must be made either on CW, phone (any analog voice modulation allowed) or digital (any digital modulation and text encoding). Picture or digital voice modes are not allowed.


Each OL90 station counts only once per band and mode (CW, phone, digi).
European stations – 2 point per contact.
Non European station (except Oceania) – 10 points per contact.
Oceania stations – 20 points per contact.
Details, online log & awards for download at:
All contacts will be confirmed via LoTW, e-Qsl at no cost. Paper QSL cards via bureau upon request, no fee. Direct QSL requests - $2 - $3 depending on the target location.


Certificates as downloadable PDF files free, printed paper certificates upon request, ask for the fee.