Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE7PT callsign genealogy
Currently held by ROSENTHAL, MARTIN B
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 KE7PT's current licensee, walking backwards.
- SCHULER, DAVID LAZgranted 2018-01-08cancelled 2019-11-30
Successor callsigns
Callsigns held now by people who previously held KE7PT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE7PT, oldest first.
- ROSENTHAL, MARTIN B AZ1996-01-26 → cancelled 2008-01-29
- SCHULER, DAVID L AZ2019-11-30 active