Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4YPF callsign genealogy
Currently held by Harter Jr, Nile 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 KK4YPF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KK4YPF.
- Harter Jr, Nile LFLgranted 2025-11-22