According to MoD publication: http://www.army.cz/images/id_7001_8000/7044/21str.pdf

my translation, page 31:
"The first firing and technical battery was transferred to us from at that time the Soviet Union in 1980 to garrison in Jaromer. In August 1982 took place warranty firing in soviet firing range Asuluk with excellent assement. Shortly after that was decided to equip whole regiment."

Also from veterans discusion here http://www.brdm2.estranky.cz/fotoalbum/kolova-obrnena-vozidla/plrk-stredniho-dosahu-9k33m-_osa-akm_/ is this information: "there were 5 batteries in Zatec and one in Jaromer", "one battery 9A33BM2 and five batteries 9A33BM3"

And here list of documentation and dates http://www.csla.cz/armada/prirucky/prirucky_pvovd.htm - at first OSA-AK (documentation from 1981) then OSA-AKM (1985).

It would be nice to have export list for army air defences as you have presented for SA-2 and SA-3. May be we could find more surprises. Thank you for your effort with SAM Simulator and please continue.