I just have received a message from Gaston ON4WF.
See the message below.
73s Cor PD0RKC
Continuous SSTV transmission is planned from Saturday 21 February at about 10.30 UTC till Monday 23 February 21.30 UTC.
It is expected that 12 different photos will be sent on 145.800 MHz FM, using the SSTV mode PD180, with 3 minutes off periods between transmissions.
One of the photos will show the commemorative diploma created by PZK, the national Polish Amateur Radio society, on the occasion of the 80th anniversary of the birth of first cosmonaut J.A.Gagarine. More about this diploma in due time.
The equipment used will be the Kenwood D710 transceiver located in the Russian Service Module.
Gaston Bertels - ON4WF