Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9IBV callsign genealogy
Currently held by ALMS, ROGER W
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 W9IBV's current licensee, walking backwards.
- Alms, Roger WMOgranted 2006-02-10cancelled 2006-03-03
Successor callsigns
Callsigns held now by people who previously held W9IBV.
No current licensee on record previously held this callsign.