Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KU9CPD callsign genealogy
Currently held by Langdon, Theodore P
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 KU9CPD's current licensee, walking backwards.
- Langdon, Theodore POHgranted 2006-03-10cancelled 2014-09-26
Successor callsigns
Callsigns held now by people who previously held KU9CPD.
No current licensee on record previously held this callsign.