Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN0PWN callsign genealogy
Currently held by Houlder, Christopher L
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 KN0PWN's current licensee, walking backwards.
- Houlder, Christopher LCAgranted 2019-11-12cancelled 2019-12-06
Successor callsigns
Callsigns held now by people who previously held KN0PWN.
No current licensee on record previously held this callsign.