Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4YXI callsign genealogy
Currently held by GRAHAM, J BURELL
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 W4YXI's current licensee, walking backwards.
- Lopez, Daniel TFLgranted 2016-11-14cancelled 2017-12-08
Successor callsigns
Callsigns held now by people who previously held W4YXI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4YXI, oldest first.
- GRAHAM, J BURELL AL1999-04-29 → cancelled 2011-04-30
- Lopez, Daniel T FL2017-12-08 active