Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4LDX callsign genealogy
Currently held by Lucas, Jamie F
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 W4LDX's current licensee, walking backwards.
- Krakosky, Robert SFLgranted 2005-04-11cancelled 2008-02-29
Successor callsigns
Callsigns held now by people who previously held W4LDX.
- LUCAS, JAMIEALgranted 2006-01-19cancelled 2009-10-09
All historical holders
Every license row we've seen with the callsign W4LDX, oldest first.
- Lucas, Jamie F UT2005-03-19 → cancelled 2006-01-19
- Krakosky, Robert S FL2018-07-11 active