Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4YJY callsign genealogy
Currently held by DUNLAP, ROY V
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 W4YJY's current licensee, walking backwards.
- Baldini, EduardoSCgranted 2009-09-16cancelled 2009-11-17
Successor callsigns
Callsigns held now by people who previously held W4YJY.
- Baldini, EduardoSCgranted 2012-06-05cancelled 2024-06-06
All historical holders
Every license row we've seen with the callsign W4YJY, oldest first.
- DUNLAP, ROY V FL1998-09-23 → cancelled 2008-06-10
- Baldini, Eduardo SC2009-11-17 → cancelled 2012-06-05