Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5SLO callsign genealogy
Currently held by O'Donoghue, Stephanie E
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 K5SLO's current licensee, walking backwards.
- Theriot, Jason NTXgranted 2021-04-07cancelled 2021-05-11
Successor callsigns
Callsigns held now by people who previously held K5SLO.
- O'Donoghue, Stephanie ENYgranted 2021-07-30
All historical holders
Every license row we've seen with the callsign K5SLO, oldest first.
- O'Donoghue, Stephanie E CA2009-05-16 → cancelled 2011-08-09
- THERIOT, JASON N TX2021-05-11 active