Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4FT callsign genealogy
Currently held by JOHNSTON JR, JAMES W
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 KR4FT's current licensee, walking backwards.
- KRAFTOR, NICHOLASSCgranted 2018-12-19cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held KR4FT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR4FT, oldest first.
- JOHNSTON JR, JAMES W SC1998-12-03 → cancelled 2010-12-04
- KRAFTOR, NICHOLAS SC2019-03-12 active