Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3SWL callsign genealogy
Currently held by Holladay, Joseph 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 KC3SWL's current licensee, walking backwards.
- Holladay, Joseph CMDgranted 2017-03-13cancelled 2017-05-31
Successor callsigns
Callsigns held now by people who previously held KC3SWL.
No current licensee on record previously held this callsign.