Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0ALT callsign genealogy
Currently held by CUNNINGHAM, OWEN
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 W0ALT's current licensee, walking backwards.
- Harsch, Walter WAZgranted 1999-03-22cancelled 2007-05-05
Successor callsigns
Callsigns held now by people who previously held W0ALT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0ALT, oldest first.
- CUNNINGHAM, OWEN KS1987-12-08 → cancelled 1999-12-09
- HARSCH, WALTER W AZ2017-02-10 active