YL100ZK will be activities are from 5th until 23rd of January 2017, LP, simple antennas. Modes: CW; SSB; BPSK and RTTY. Additional information: YL100ZK is a special call to commemorate so called Christmas Battles which took place 100 years ago during the WW I in territory of nowadays Latvia. There was no military achievements however the event played significant historical role in establishing of independent Latvia in 1918. https://en.wikipedia.org/wiki/Christmas_Battles QSL via YL2QD Activity supported by YL1UB, YL1ZT, YL2QD and YL3GY