Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA4WWT callsign genealogy
Currently held by MAURER, JOHN T
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 KA4WWT's current licensee, walking backwards.
- MAURER, JOHN Tcancelled 1998-04-03
Successor callsigns
Callsigns held now by people who previously held KA4WWT.
No current licensee on record previously held this callsign.