Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MTL callsign genealogy
Currently held by LIPPOLD, MICHAEL T
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 K7MTL's current licensee, walking backwards.
- LIPPOLD, MICHAEL TORgranted 2014-12-23cancelled 2015-01-21
Successor callsigns
Callsigns held now by people who previously held K7MTL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7MTL, oldest first.
- Lehne, Mark A OR2002-12-20 → cancelled 2014-12-23
- LIPPOLD, MICHAEL T OR2024-11-09 active