Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ0G callsign genealogy
Currently held by MACK, STEPHEN 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 KZ0G's current licensee, walking backwards.
- REESE, ROBERT HMOgranted 2009-08-17cancelled 2011-01-19
Successor callsigns
Callsigns held now by people who previously held KZ0G.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KZ0G, oldest first.
- MACK, STEPHEN J CO1997-11-19 → cancelled 2009-11-20
- REESE, ROBERT H MO2021-01-05 active