Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3JSC callsign genealogy
Currently held by MAIER, WILLIAM H
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 K3JSC's current licensee, walking backwards.
- Mika, Colton JDEgranted 2025-09-09cancelled 2025-09-30
Successor callsigns
Callsigns held now by people who previously held K3JSC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3JSC, oldest first.
- MAIER, WILLIAM H PA2010-08-16 → cancelled 2022-11-01
- Mika, Colton J DE2025-09-30 active