Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4OTT callsign genealogy
Currently held by CHETTA II, MARC A
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 KF4OTT's current licensee, walking backwards.
- OTT, NATHAN JGAgranted 2016-03-03cancelled 2025-08-12
Successor callsigns
Callsigns held now by people who previously held KF4OTT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4OTT, oldest first.
- CHETTA II, MARC A GA2006-11-16 → cancelled 2019-02-12
- OTT, NATHAN J GA2025-08-12 active