Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO6I callsign genealogy
Currently held by CRAWFORD, ROBERT L
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 WO6I's current licensee, walking backwards.
- Jacobs, Patrick DCAgranted 2022-03-28cancelled 2023-03-25
Successor callsigns
Callsigns held now by people who previously held WO6I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO6I, oldest first.
- CRAWFORD, ROBERT L CA2010-12-06 → cancelled 2023-01-24
- Jacobs, Patrick D CA2023-03-25 active