Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5SMU callsign genealogy
Currently held by COLLINS, LARRY D
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 W5SMU's current licensee, walking backwards.
- COLLINS, LARRY DARgranted 2021-03-02
Successor callsigns
Callsigns held now by people who previously held W5SMU.
- COLLINS, LARRY DARgranted 2021-03-02
All historical holders
Every license row we've seen with the callsign W5SMU, oldest first.
- DENISON, RHEA E AR1995-10-22 → cancelled 2007-10-23
- COLLINS, LARRY D AR2020-10-09 → cancelled 2021-03-02