Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4OJT callsign genealogy
Currently held by LASSITER, FREDERICK H
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 N4OJT's current licensee, walking backwards.
- LASSITER, FREDERICK HKYgranted 2015-12-07cancelled 2016-05-10
Successor callsigns
Callsigns held now by people who previously held N4OJT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4OJT, oldest first.
- Lassiter, Frederick H KY1999-04-09 → cancelled 2011-04-12
- LASSITER, FREDERICK H KY2026-02-12 active