Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FPV callsign genealogy
Currently held by Frame, Greg K
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 K4FPV's current licensee, walking backwards.
- Frame, Greg KGAgranted 2019-05-15cancelled 2019-06-04
Successor callsigns
Callsigns held now by people who previously held K4FPV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4FPV, oldest first.
- PARTIN, MARVIN E TN2005-10-20 → cancelled 2018-01-18
- Frame, Greg K FL2019-06-04 active