Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WR0H callsign genealogy
Currently held by VINCENT, SHAWN 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 WR0H's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WR0H.
- HARRINGTON, WILLIAM RMOgranted 2020-12-11
All historical holders
Every license row we've seen with the callsign WR0H, oldest first.
- Dryer, Jack P MO2008-12-17 → cancelled 2016-08-30
- HARRINGTON, WILLIAM R MO2018-09-18 → cancelled 2020-12-11
- VINCENT, SHAWN M KS2023-07-11 active