Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0ATC callsign genealogy
Currently held by KIZER, PHILIP J
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 W0ATC's current licensee, walking backwards.
- KD0ADWcancelledGreeley-Weld Contest ClubCOgranted 2007-04-02cancelled 2007-05-25
Successor callsigns
Callsigns held now by people who previously held W0ATC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0ATC, oldest first.
- KIZER, PHILIP J CO1996-11-04 → cancelled 1999-02-15
- Greeley-Weld Contest Club CO2017-03-06 active