Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4SIX callsign genealogy
Currently held by Pitts, Wilbur R
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 KK4SIX's current licensee, walking backwards.
- Pitts, Wilbur RFLgranted 2010-02-19cancelled 2010-04-30
Successor callsigns
Callsigns held now by people who previously held KK4SIX.
No current licensee on record previously held this callsign.