Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4EQR callsign genealogy
Currently held by CAMPBELL, HARVEY
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 W4EQR's current licensee, walking backwards.
- Greunke, Judith KFLgranted 2011-03-18cancelled 2011-05-17
Successor callsigns
Callsigns held now by people who previously held W4EQR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4EQR, oldest first.
- CAMPBELL, HARVEY FL1993-12-14 → cancelled 2001-05-22
- Greunke, Judith K FL2021-02-25 active