Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MAG callsign genealogy
Currently held by GUZZETTA JR, MARK 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 K1MAG's current licensee, walking backwards.
- Guzzetta Jr, Mark AMAgranted 2016-11-09cancelled 2016-12-20
Successor callsigns
Callsigns held now by people who previously held K1MAG.
- CLEPPER, RICKTXgranted 2009-11-10cancelled 2010-12-24
All historical holders
Every license row we've seen with the callsign K1MAG, oldest first.
- CLEPPER, RICK TX2009-01-06 → cancelled 2009-11-10
- GUZZETTA JR, MARK A MA2016-12-20 active