Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6VZT callsign genealogy
Currently held by Greenwalt Jr, Robert J
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 K6VZT's current licensee, walking backwards.
- Greenwalt Jr, Robert JCAgranted 2003-05-01cancelled 2003-11-11
Successor callsigns
Callsigns held now by people who previously held K6VZT.
No current licensee on record previously held this callsign.