Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW4D callsign genealogy
Currently held by ROLL, FREDERICK J
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 WW4D's current licensee, walking backwards.
- HARRIS III, PATRICK BSCgranted 2016-11-08cancelled 2022-07-29
Successor callsigns
Callsigns held now by people who previously held WW4D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WW4D, oldest first.
- TENCH III, JAMES W GA1998-06-19 → cancelled 2010-06-22
- ROLL, FREDERICK J FL2010-07-09 → cancelled 2022-07-12
- HARRIS III, PATRICK B SC2022-07-29 active