OK, now the $65 question, What SA/BC EDACS TG was the LCRA-P25 TG#6524 patch to ?
By the way I am surprised that you say the patch TG was 6524 not 65xxx (5 digit?).
So below are just 2 of the interoperability patches that have been noted to date:
SAPD-Converse PD(LCRA-P25-TG#6524)<Patched>Did anybody log this TG? (EDACS TG#14-0??)
SAPD Eagle Patch (LCRA-P25-TG#65327)<Patched>LCRA-SACommon-Interop (Blue TG#14-061)
The above patch I saw when the SAPD Eagle Helo was helping LiveOak/Converse look for some guys
that after getting pulled over, took off running into a field and requested Eagle to help them find the guys
using night-vision. Also note that over on the Blue TRS that the 14-061 was in the analog for that patch.
Another reason to always have the SA/BC Blue Scanlist enabled with the wildcard TG unlocked

If you know me you know I always have the SA/BC Gold BCSO & Interop TG's on but Wildcard locked out.