Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9PY callsign genealogy
Currently held by Faerber, Robert 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 AB9PY's current licensee, walking backwards.
- Faerber, Robert CILgranted 2007-10-16cancelled 2007-11-26
Successor callsigns
Callsigns held now by people who previously held AB9PY.
- Faerber, Robert CAZgranted 2017-10-02