Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0ATU callsign genealogy
Currently held by Channel, Jim L
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 W0ATU's current licensee, walking backwards.
- CHANNEL, JIM Lcancelled 1998-09-02
Successor callsigns
Callsigns held now by people who previously held W0ATU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0ATU, oldest first.
- DAVIS, MARSHAL B NE1994-07-08 → cancelled 1997-09-10
- Channel, Jim L NE2018-09-15 active