Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB0HAU callsign genealogy
Currently held by Stammer, Donald R
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 WB0HAU's current licensee, walking backwards.
- Stammer, Donald RSDgranted 2017-08-17cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held WB0HAU.
No current licensee on record previously held this callsign.