Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TOK callsign genealogy
Currently held by SLOAN, ROBERT G
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 W4TOK's current licensee, walking backwards.
- SLOAN, ROBERT Gcancelled 1998-11-24
Successor callsigns
Callsigns held now by people who previously held W4TOK.
- SLOAN, ROBERT GGAgranted 2023-05-26