Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3ABZ callsign genealogy
Currently held by SPEARING, SAMUEL 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 KA3ABZ's current licensee, walking backwards.
- SPEARING, JUSTIN MPAgranted 2006-05-17cancelled 2015-05-08
Successor callsigns
Callsigns held now by people who previously held KA3ABZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA3ABZ, oldest first.
- SPEARING, SAMUEL R PA2004-04-22 → cancelled 2015-04-18
- SPEARING, JUSTIN PA2025-04-22 active