Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4RFX callsign genealogy
Currently held by LUNSFORD, JOSEPH W
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 W4RFX's current licensee, walking backwards.
- Herrero, Javier AFLgranted 2020-06-04cancelled 2020-07-14
Successor callsigns
Callsigns held now by people who previously held W4RFX.
- KEYS JR, WILLIAM CNCgranted 2017-12-08cancelled 2019-07-13
All historical holders
Every license row we've seen with the callsign W4RFX, oldest first.
- LUNSFORD, JOSEPH W TN1996-06-10 → cancelled 2008-06-11
- KEYS JR, WILLIAM C NC2017-10-24 → cancelled 2017-12-08
- Herrero, Javier A FL2020-07-14 active