Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3ACE callsign genealogy
Currently held by Trexler III, Phaon R
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 KB3ACE's current licensee, walking backwards.
- Trexler III, Phaon RPAgranted 2010-04-01cancelled 2010-04-20
Successor callsigns
Callsigns held now by people who previously held KB3ACE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3ACE, oldest first.
- SHEEHAN, JOSEPH M PA1992-09-22 → cancelled 2004-09-23
- Trexler III, Phaon R PA2020-03-24 active