Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4THQ callsign genealogy
Currently held by Mack Jr, Lester M
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 KD4THQ'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 KD4THQ.
- Mack Jr, Lester MALgranted 2012-08-28cancelled 2024-10-01