Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9DBL callsign genealogy
Currently held by Laughhunn, John F
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 KC9DBL's current licensee, walking backwards.
- Lancaster, Douglas WINgranted 2010-11-29cancelled 2010-12-28
Successor callsigns
Callsigns held now by people who previously held KC9DBL.
All historical holders
Every license row we've seen with the callsign KC9DBL, oldest first.
- Laughhunn, John F IL2003-01-17 → cancelled 2003-02-21
- Lancaster, Douglas W FL2010-12-28 → cancelled 2015-05-27