Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9RFI callsign genealogy
Currently held by Cramer, Brian S
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 W9RFI's current licensee, walking backwards.
- Cramer, Brian SILgranted 2009-08-11cancelled 2009-09-05
Successor callsigns
Callsigns held now by people who previously held W9RFI.
No current licensee on record previously held this callsign.