Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6OSC callsign genealogy
Currently held by David, Jason V
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 N6OSC's current licensee, walking backwards.
- David, Jason VCAgranted 2022-12-22cancelled 2024-11-02
Successor callsigns
Callsigns held now by people who previously held N6OSC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6OSC, oldest first.
- WOLFE, FRANK M CA2006-07-11 → cancelled 2018-10-10
- David, Jason V CA2024-11-02 active