I did a quick comparison between the values in FotRSU, TMO and vanilla v1.5.
It seems SH4 vanilla still uses SJ radar elevation min/max 357.5/30 for both early and late variants.
For comparison, FotRSU and TMO values vary with FotRSU using elevation min/max 0/180 and TMO using 0/360 for SJ radar early/late variants.