Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3AMU callsign genealogy
Currently held by Feinberg, Michael
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 K3AMU's current licensee, walking backwards.
- Feinberg, MichaelPAgranted 2025-09-17cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held K3AMU.
No current licensee on record previously held this callsign.