Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0IV callsign genealogy
Currently held by GRAHAM, DARRELL 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 W0IV's current licensee, walking backwards.
- GRAHAM, DARRELL EORgranted 2003-12-15cancelled 2009-07-07
Successor callsigns
Callsigns held now by people who previously held W0IV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0IV, oldest first.
- KULLMAN, FRANK W CO1997-12-16 → cancelled 2006-04-02
- GRAHAM, DARRELL E WA2019-04-23 active