Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF4H callsign genealogy
Currently held by Greenberg, Dwight 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 WF4H's current licensee, walking backwards.
- Greenberg, Dwight AFLgranted 2010-02-17cancelled 2013-06-15
Successor callsigns
Callsigns held now by people who previously held WF4H.
- WOOTEN, WYMAN GGAgranted 2006-09-08cancelled 2009-11-23
All historical holders
Every license row we've seen with the callsign WF4H, oldest first.
- HARTLEY SR, WILLIAM E TN2009-03-13 → cancelled 2011-05-26
- Greenberg, Dwight A FL2023-05-27 active