Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6FSH callsign genealogy
Currently held by Zirkelbach, Eric A
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 W6FSH's current licensee, walking backwards.
- Zirkelbach, Eric ACAgranted 2005-03-07cancelled 2005-04-19
Successor callsigns
Callsigns held now by people who previously held W6FSH.
No current licensee on record previously held this callsign.