Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4TTS callsign genealogy
Currently held by Cotts, Christopher D
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 KO4TTS's current licensee, walking backwards.
- Cotts, Christopher DVAgranted 2021-01-25cancelled 2021-02-23
Successor callsigns
Callsigns held now by people who previously held KO4TTS.
- Cotts, Christopher DVAgranted 2021-03-30