Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5EC callsign genealogy
Currently held by SMITH, FRANK C
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 KC5EC's current licensee, walking backwards.
- Packer, Geoffrey LOHgranted 2026-05-05cancelled 2026-06-16
Successor callsigns
Callsigns held now by people who previously held KC5EC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5EC, oldest first.
- SMITH, FRANK C TX2011-09-19 → cancelled 2023-12-19
- Packer, Geoffrey L OH2026-06-16 active