Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB2PHX callsign genealogy
Currently held by CARLSON, MICHAEL C
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 KB2PHX's current licensee, walking backwards.
- CARLSON, MICHAEL CNYgranted 2023-09-13cancelled 2023-10-06
Successor callsigns
Callsigns held now by people who previously held KB2PHX.
- CARLSON, MICHAEL CNYgranted 2023-09-13cancelled 2023-10-06
All historical holders
Every license row we've seen with the callsign KB2PHX, oldest first.
- CARLSON, MICHAEL C NY1992-07-28 → cancelled 2000-09-01
- CARLSON, MICHAEL C NY2023-10-06 active