Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4THP callsign genealogy
Currently held by Anderson, Max 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 K4THP's current licensee, walking backwards.
- ANDERSON, MAX HTNgranted 1993-09-21cancelled 2002-07-26
Successor callsigns
Callsigns held now by people who previously held K4THP.
No current licensee on record previously held this callsign.