Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0BAC callsign genealogy
Currently held by HALL, ESTHER 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 W0BAC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W0BAC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0BAC, oldest first.
- HALL, ESTHER M MO2005-01-10 → cancelled 2017-03-28
- Arfsten, Jeremy J CO2022-05-03 active