Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3OBX callsign genealogy
Currently held by Whalen, Julie A
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 N3OBX's current licensee, walking backwards.
- Whalen, Julie APAgranted 2022-03-11cancelled 2022-04-01
Successor callsigns
Callsigns held now by people who previously held N3OBX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3OBX, oldest first.
- SCHELL IV, CHARLES E PA2002-11-15 → cancelled 2015-01-27
- Whalen, Julie A PA2022-04-01 active