Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3FB callsign genealogy
Currently held by Vietz, Robert W
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 AB3FB's current licensee, walking backwards.
- Vietz, Robert WPAgranted 2006-12-22cancelled 2007-04-05
Successor callsigns
Callsigns held now by people who previously held AB3FB.
- Vietz, Robert WPAgranted 2017-06-28