Regarding Spada there was connectivity issue between the battery itself basically linkage between AD and technical setup of equipment for minimum 3 years since we got them , Italians were also confused regarding this problem so Paf officers and tech went through many courses in Italy and Italians worked in Pakistan to fully operationalize the system anyhow It was resolved to some extant in 2015 that is the reason crotales are being kept in loop because they have no issues regarding operations.
MPDR's are low level radars connected with our mission control centers/wings,We got them in 1970,s and 80,s they are german made from Siemens extremely reliable but have crossed there age quite while ago we have planned to replace them with new systems options were american,german,chinese . Trails of Chinese were held and were rejected , Paf is more inclined towards germans but Americans and chinese both are still pressing for there own systems.
Actually Paf has got worst experience with chinese one's due to YLC 2 episode and TPS 77 literally gave them eyes but they dont want american sys due to fear of sanctions and also some other technical issues . CAS announced to replace MPDR's during his tenure lets see what happens in the end.