Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4HF callsign genealogy
Currently held by HADRAVA Jr., LAWRENCE C
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 WD4HF's current licensee, walking backwards.
- HADRAVA, LAWRENCE CFLgranted 1992-09-15cancelled 2000-10-17
Successor callsigns
Callsigns held now by people who previously held WD4HF.
No current licensee on record previously held this callsign.