Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK4XP callsign genealogy
Currently held by Haag, Mark E
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 AK4XP'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 AK4XP.
- Haag, Mark EGAgranted 2022-11-04cancelled 2026-02-27