Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5SPC callsign genealogy
Currently held by MANCIAZ, MICHAEL J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W5SPC's current licensee, walking backwards.
- Manciaz, Michael JTXgranted 2020-02-21cancelled 2022-09-27
Successor callsigns
Callsigns held now by people who previously held W5SPC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5SPC, oldest first.
- SAN PATRICIO EMERGENCY AMATEUR RADIO SOC INC TX1999-07-15 → cancelled 2008-07-29
- MANCIAZ, MICHAEL J TX2022-09-27 active