Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3JU callsign genealogy
Currently held by Uecker, Jacob
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 N3JU's current licensee, walking backwards.
- Uecker, JacobNVgranted 2023-11-28cancelled 2024-02-21
Successor callsigns
Callsigns held now by people who previously held N3JU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3JU, oldest first.
- Urban, John S PA2012-02-04 → cancelled 2024-02-02
- Uecker, Jacob NV2024-02-21 active