Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9OLW callsign genealogy
Currently held by BARDENWERPER, WALTER 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 W9OLW's current licensee, walking backwards.
- BARDENWERPER, WALTER WNHgranted 2015-01-23cancelled 2020-07-03
Successor callsigns
Callsigns held now by people who previously held W9OLW.
No current licensee on record previously held this callsign.