Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1HSU callsign genealogy
Currently held by Gaddas, John 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 WA1HSU's current licensee, walking backwards.
- GADDAS, JOHN RFLgranted 2007-08-30cancelled 2007-10-12
Successor callsigns
Callsigns held now by people who previously held WA1HSU.
- Gaddas, John RFLgranted 2018-07-17