Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5BWN callsign genealogy
Currently held by SINNES, HAROLD E
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 W5BWN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W5BWN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5BWN, oldest first.
- CROWDER JR, CLYDE L IN2001-05-29 → cancelled 2013-08-21
- SINNES, HAROLD E IN2014-04-12 → cancelled 2026-04-14