Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3UHF callsign genealogy
Currently held by Black Jr, William E
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 N3UHF's current licensee, walking backwards.
- Black Jr, William EPAgranted 2018-12-19cancelled 2024-04-05
Successor callsigns
Callsigns held now by people who previously held N3UHF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3UHF, oldest first.
- BLACK JR, WILLIAM E PA1997-07-11 → cancelled 2007-01-23
- CATALDI, PHILLIP P MD2014-01-24 → cancelled 2022-03-03
- Black Jr, William E PA2024-04-05 active