Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0SEV callsign genealogy
Currently held by SHERIDAN, GAIL F
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 W0SEV's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W0SEV.
- SHERIDAN, GAIL FFLgranted 2019-04-26
All historical holders
Every license row we've seen with the callsign W0SEV, oldest first.
- Ferguson, Earl E CO2004-03-10 → cancelled 2010-03-03
- SHERIDAN, GAIL F WY2010-05-28 → cancelled 2019-04-26