Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CPH callsign genealogy
Currently held by HENNING, CHRISTOPHER 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 K4CPH's current licensee, walking backwards.
- Henning, Christopher PGAgranted 2023-10-06
Successor callsigns
Callsigns held now by people who previously held K4CPH.
- Henning, Christopher PGAgranted 2023-10-06