Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB0OBS callsign genealogy
Currently held by Mortimer, Nicole B
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 WB0OBS's current licensee, walking backwards.
- Mortimer, Nicole BIAgranted 2017-05-31cancelled 2021-10-01
Successor callsigns
Callsigns held now by people who previously held WB0OBS.
No current licensee on record previously held this callsign.