Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4THP callsign genealogy
Currently held by LEVY Mr., ALLEN 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 KD4THP'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 KD4THP.
- LEVY Mr., ALLEN HFLgranted 2018-08-02