Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ACK callsign genealogy
Currently held by Vann, Gregory A
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 K4ACK's current licensee, walking backwards.
- Vann, Gregory AGAgranted 2011-06-27cancelled 2011-07-23
Successor callsigns
Callsigns held now by people who previously held K4ACK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ACK, oldest first.
- PACE, M WILSON SC1998-02-25 → cancelled 2010-02-26
- Vann, Gregory A GA2021-07-23 active