Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3UH callsign genealogy
Currently held by Stiffler, Jeffrey 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 AB3UH's current licensee, walking backwards.
- Stiffler, Jeffrey APAgranted 2014-04-01cancelled 2014-05-01
Successor callsigns
Callsigns held now by people who previously held AB3UH.
- Stiffler, Jeffrey APAgranted 2018-11-24