Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL3U callsign genealogy
Currently held by Maryman, John A
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 KL3U's current licensee, walking backwards.
- Maryman, John AAKgranted 2021-03-29cancelled 2025-01-03
Successor callsigns
Callsigns held now by people who previously held KL3U.
- Maryman, John AAKgranted 2026-02-21