Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA6X callsign genealogy
Currently held by ROENNAU, HANS 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 WA6X's current licensee, walking backwards.
- ROENNAU, HANS JCAgranted 2005-07-15cancelled 2012-05-04
Successor callsigns
Callsigns held now by people who previously held WA6X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA6X, oldest first.
- HAMMER, ROBERT J CA2004-03-01 → cancelled 2010-04-15
- ROENNAU, HANS J CA2022-05-13 active