Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ONE callsign genealogy
Currently held by GRAICHEN, GLENN E
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 W1ONE's current licensee, walking backwards.
- KA1DUQcancelledGRAICHEN, E. GRAICHENcancelled 1997-09-17
Successor callsigns
Callsigns held now by people who previously held W1ONE.
No current licensee on record previously held this callsign.