Why do you think that there is only ONE Buk Telar?
There are posting that the separist catured about 20 Buks and 9 Radar. If the posting are correct , i don´t really know.
Recall that according to the militia, they counted on the territory of an anti-aircraft regiment of at least 20 air defense missile systems "Buk" and 9 mobile radar "the Dome."
Yes - but that is the only source for that claim - it was not claimed at the time - Kiev only acknowledged the loss of one unserviceable launcher vehicle IIRC.
It will take some more evidence for some sort of reliable picture to emerge about this.