Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4PAP callsign genealogy
Currently held by The PAPA System
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 KD4PAP's current licensee, walking backwards.
- KM6MQCcancelledThe PAPA SystemCAgranted 2017-09-12cancelled 2017-11-14
Successor callsigns
Callsigns held now by people who previously held KD4PAP.
No current licensee on record previously held this callsign.