In short form about Czechoslovak Christmas VHF Contest:

Long tradition:  contest has been held each year since 1959!

Date:   December 26 - 1st part  8 to 11UT, 2nd part 12 to 15UT

Band: 144MHz only

Mode: CW, SSB, FM

Code:  as usual - RST and Locator. In the 2nd part follow up the numbering from 1st part, it gives you chance repeat the QSO with OK and OM.

Contest is focused for OK and OM participants, however it is an open contest - so any QSO outside of OK and OM is valid. Please give us points!

Use of DX Cluster and ON4KST chat is not allowed for OK and OM stations during a contest