Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0SPB callsign genealogy
Currently held by Peterson, Theresa V
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 W0SPB's current licensee, walking backwards.
- Barker, Steven PNEgranted 2024-03-14cancelled 2024-04-05
Successor callsigns
Callsigns held now by people who previously held W0SPB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0SPB, oldest first.
- Peterson, Theresa V MI2000-05-05 → cancelled 2012-05-08
- Barker, Steven P NE2024-04-05 active