Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4MFX license history
Held by Guerrero Jr, Fernando
Every recorded ULS event for this callsign — grants, renewals, modifications, expirations, and transfers. Sourced from the FCC daily transaction file.
License history
6 events- Address updateLIAUA[LIAUA]
- address_change621 Townsend Pl → 2500 Dallas Hwy. SW, Suite 202
- ModifiedLIMOD[LIMOD]
- address_change2500 Dallas Hwy. SW, Suite 202 → 621 Townsend Pl
- License grantedLIISS[LIISS]
- Systematic grantSYSGRT[SYSGRT]