Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4FTW callsign genealogy
Currently held by SHEPHERD, GREGORY L
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 KK4FTW's current licensee, walking backwards.
- SHEPHERD, GREGORY LSCgranted 2011-08-22cancelled 2011-12-19
Successor callsigns
Callsigns held now by people who previously held KK4FTW.
No current licensee on record previously held this callsign.