Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4HI callsign genealogy
Currently held by MARRON, BRUCE ED
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 W4HI's current licensee, walking backwards.
- MARRON, BRUCE EMDgranted 2005-09-13cancelled 2009-12-11
Successor callsigns
Callsigns held now by people who previously held W4HI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4HI, oldest first.
- OSWALD, ROBERT L TN1998-05-12 → cancelled 2007-11-20
- MARRON, BRUCE ED SC2019-10-16 active