Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA3MTU callsign genealogy
Currently held by Ciufo, Anthony C
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 KA3MTU's current licensee, walking backwards.
- Ciufo, Nathan AKYgranted 2012-07-19cancelled 2012-09-04
Successor callsigns
Callsigns held now by people who previously held KA3MTU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA3MTU, oldest first.
- Ciufo, Anthony C PA2005-04-05 → cancelled 2010-09-16
- Ciufo, Nathan A KY2022-08-26 active