Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4HPP callsign genealogy
Currently held by Imhof Jr, Philip H
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 KK4HPP'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 KK4HPP.
- Imhof Jr, Philip HNCgranted 2012-03-12cancelled 2012-09-25