Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CHA callsign genealogy
Currently held by Tootle, Adam
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 K4CHA's current licensee, walking backwards.
- Tootle, Adam MTNgranted 2020-06-02cancelled 2020-06-23
Successor callsigns
Callsigns held now by people who previously held K4CHA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CHA, oldest first.
- ADAMS, CHARLES H SC2008-01-05 → cancelled 2020-03-05
- Tootle, Adam TN2020-06-23 active