Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9CS callsign genealogy
Currently held by Gersmehl, Walter 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 AB9CS's current licensee, walking backwards.
- Gersmehl, Walter RWIgranted 1999-01-19cancelled 2001-07-30
Successor callsigns
Callsigns held now by people who previously held AB9CS.
No current licensee on record previously held this callsign.