Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB7OB callsign genealogy
Currently held by Sittig, Robert 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 WB7OB's current licensee, walking backwards.
- Sittig, Robert AWAgranted 2021-02-01cancelled 2022-04-12
Successor callsigns
Callsigns held now by people who previously held WB7OB.
No current licensee on record previously held this callsign.