Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB5KMZ callsign genealogy
Currently held by INGRAM, MICHAEL J
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 WB5KMZ's current licensee, walking backwards.
- INGRAM, MICHAEL JTXgranted 2018-12-17cancelled 2021-01-05
Successor callsigns
Callsigns held now by people who previously held WB5KMZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB5KMZ, oldest first.
- LUCAS, CLARENCE M TX1998-06-25 → cancelled 2010-06-26
- INGRAM, MICHAEL J TX2021-01-05 active