Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0PA callsign genealogy
Currently held by Harstrom, Stephen 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 AB0PA's current licensee, walking backwards.
- HARSTROM, STEPHEN CCOgranted 1990-11-20cancelled 2000-09-30
Successor callsigns
Callsigns held now by people who previously held AB0PA.
No current licensee on record previously held this callsign.