Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4JLF callsign genealogy
Currently held by FOSTER II, JOHN L
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 W4JLF's current licensee, walking backwards.
- FOSTER II, JOHN LVAgranted 2008-05-12cancelled 2008-09-20
Successor callsigns
Callsigns held now by people who previously held W4JLF.
No current licensee on record previously held this callsign.