Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8ARB callsign genealogy
Currently held by THEURER, DAVID M
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 W8ARB's current licensee, walking backwards.
- Helper, Richard PMIgranted 2015-02-19cancelled 2015-03-10
Successor callsigns
Callsigns held now by people who previously held W8ARB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8ARB, oldest first.
- THEURER, DAVID M GA2002-06-06 → cancelled 2014-07-29
- Helper, Richard P MI2025-01-11 active