The AN/APQ159 in the game might have other modes

In this web page it is stated that the radar is a multimode pulse radars source: https://what-when-how.com/military-weapons/sensors-and-electronic-warfare-military-weapons/ turn back
In this work, a multi-mode radar transceiver supporting pulse, In this work, a multi-mode radar transceiver supporting pulse, FMCW and CW modes was designed as an integrated circuit. FMCW and CW modes was designed as an integrated circuit. RF Transceiver for the Multi-Mode Radar Applications - PMC

This page explains the definition of FMCW (Frequency-Modulated Continuous Wave radar). Source: Radartutorial
The CW (CW) mode in this web page: Radartutorial
If understood correctly, this radar has Doppler, not just src mode