Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ1F callsign genealogy
Currently held by GIBSON, K STEWART
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 KJ1F's current licensee, walking backwards.
- KNOWLES, KEVIN ACTgranted 2019-07-19cancelled 2020-01-03
Successor callsigns
Callsigns held now by people who previously held KJ1F.
- Daugherty, Russell HSCgranted 2017-11-25cancelled 2021-01-22
All historical holders
Every license row we've seen with the callsign KJ1F, oldest first.
- GIBSON, K STEWART VT2005-09-13 → cancelled 2013-12-19
- Daugherty, Russell H SC2016-01-08 → cancelled 2017-11-25
- KNOWLES, KEVIN A CT2020-01-03 active