Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB5DMZ callsign genealogy
Currently held by Ziegler, Daniel 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 KB5DMZ's current licensee, walking backwards.
- Ziegler, Daniel MTXgranted 2019-03-27cancelled 2019-04-16
Successor callsigns
Callsigns held now by people who previously held KB5DMZ.
All historical holders
Every license row we've seen with the callsign KB5DMZ, oldest first.
- PENTTINEN, DAVID E TX1999-03-30 → cancelled 2002-07-16
- Ziegler, Daniel M TX2019-04-16 → cancelled 2024-02-21