Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO3R callsign genealogy
Currently held by Satterfield, Robert H
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 WO3R's current licensee, walking backwards.
- Satterfield, Robert HMDgranted 2019-10-07cancelled 2023-09-15
Successor callsigns
Callsigns held now by people who previously held WO3R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO3R, oldest first.
- GRAHAM, GLORIA J PA2011-05-06 → cancelled 2023-07-12
- Satterfield, Robert H MD2023-09-15 active