Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7OBB callsign genealogy
Currently held by David,, Ellis 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 W7OBB's current licensee, walking backwards.
- Schiefer Jr, RobbALgranted 2021-12-14cancelled 2022-01-05
Successor callsigns
Callsigns held now by people who previously held W7OBB.
All historical holders
Every license row we've seen with the callsign W7OBB, oldest first.
- David,, Ellis M AZ2015-08-04 → cancelled 2016-05-03
- Schiefer Jr, Robb AL2022-01-05 → cancelled 2026-03-24