Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TOL callsign genealogy
Currently held by TOLBERT, MICHAEL 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 K4TOL's current licensee, walking backwards.
- TOLBERT, MICHAEL GSCgranted 2008-08-05cancelled 2010-01-01
Successor callsigns
Callsigns held now by people who previously held K4TOL.
No current licensee on record previously held this callsign.