Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BAA callsign genealogy
Currently held by Larsen, Peter L
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 K7BAA's current licensee, walking backwards.
- Kowalczyk, MateuszORgranted 2019-02-05cancelled 2019-11-02
Successor callsigns
Callsigns held now by people who previously held K7BAA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7BAA, oldest first.
- Larsen, Peter L OR2004-08-03 → cancelled 2016-08-04
- Kowalczyk, Mateusz OR2019-11-02 active