This information is edited from a repost of an acig.org forum post by mrdetonator:
http://www.secretprojects.co.uk/forum/index.php/topic,25.msg59.html#msg59
Parts: 46
Total Weight: 641kg
Main parts:
The two-mirror cassegrain antenna: 78kg
Impulse transmitter: 160kg
KNP transmitter: 160kg (continuous wave illuminator for the R-23R)
AVM-23 analog computer: 10.2kg