Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3OCW callsign genealogy
Currently held by CARBAUGH, 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 K3OCW's current licensee, walking backwards.
- CARBAUGH, MICHAEL DPAgranted 2002-02-14cancelled 2010-10-19
Successor callsigns
Callsigns held now by people who previously held K3OCW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3OCW, oldest first.
- CARBAUGH, ROBERT A PA1998-09-03 → cancelled 2010-09-04
- CARBAUGH, MICHAEL PA2020-09-15 active