Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1SWC callsign genealogy
Currently held by Preble, Paul 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 KC1SWC's current licensee, walking backwards.
- Preble, Paul DMEgranted 2022-03-24cancelled 2023-04-24
Successor callsigns
Callsigns held now by people who previously held KC1SWC.
No current licensee on record previously held this callsign.