DMut,
At first you should chceck the first page, please. :icon_wink He picked up some sentences from an article dealing the SPO-15 problems with the SU-27/Mig-29 radar. I answered with an example taken from the Mig-29 service.
The RWR SPO-15 can be used to gain the altitude information (also direction,etc) of the enemy a/c in general (below/above) during the N019 radar engagement, thus it denies what mentioned in that statement. That`s all.
Понятно? Если вам нужно на русском языку, я напишу.
regards
АОА