Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ5MDZ callsign genealogy
Currently held by HOLMES, MICHAEL W
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 KJ5MDZ's current licensee, walking backwards.
- HOLMES, MICHAEL WTXgranted 2024-10-22cancelled 2025-07-21
Successor callsigns
Callsigns held now by people who previously held KJ5MDZ.
- HOLMES, MICHAEL WTXgranted 2025-09-20