Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9SL callsign genealogy
Currently held by Perzyna, Richard 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 AB9SL's current licensee, walking backwards.
- Perzyna, RichardINgranted 2006-10-17cancelled 2008-11-03
Successor callsigns
Callsigns held now by people who previously held AB9SL.
No current licensee on record previously held this callsign.