Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4CC callsign genealogy
Currently held by Bailey, Teresa 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 KO4CC's current licensee, walking backwards.
- Crisp, Chelsea MFLgranted 2020-03-11cancelled 2021-05-21
Successor callsigns
Callsigns held now by people who previously held KO4CC.
- Bailey, Teresa GFLgranted 2015-01-21
All historical holders
Every license row we've seen with the callsign KO4CC, oldest first.
- Bailey, Teresa G FL2014-09-13 → cancelled 2015-01-21
- Crisp, Chelsea M FL2021-05-21 active