Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7FSB callsign genealogy
Currently held by Rose, Michael J
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 W7FSB's current licensee, walking backwards.
- Rose, Michael JORgranted 2020-02-06cancelled 2022-03-25
Successor callsigns
Callsigns held now by people who previously held W7FSB.
No current licensee on record previously held this callsign.