Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4EFL callsign genealogy
Currently held by Seltzer, Arthur J
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 W4EFL's current licensee, walking backwards.
- Litoborski, Edmond FSCgranted 2024-12-10cancelled 2025-01-03
Successor callsigns
Callsigns held now by people who previously held W4EFL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4EFL, oldest first.
- Seltzer, Arthur J FL1996-06-27 → cancelled 2003-05-01
- Litoborski, Edmond F SC2025-01-03 active