Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1SC callsign genealogy
Currently held by Runkle, Joseph 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 AB1SC's current licensee, walking backwards.
- Runkle, Joseph CMAgranted 2012-09-14cancelled 2012-10-18
Successor callsigns
Callsigns held now by people who previously held AB1SC.
No current licensee on record previously held this callsign.