Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB7SWB callsign genealogy
Currently held by ROLAND, JOHN R
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 WB7SWB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WB7SWB.
- ROLAND, JOHN RWAgranted 2022-09-21