Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6RZY callsign genealogy
Currently held by Wilson, Mark A
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 K6RZY's current licensee, walking backwards.
- Wilson, Mark ACAgranted 2012-03-01cancelled 2012-04-10
Successor callsigns
Callsigns held now by people who previously held K6RZY.
- Razum PhD, Nicholas JCAgranted 2024-05-25
All historical holders
Every license row we've seen with the callsign K6RZY, oldest first.
- RAZUM, NICHOLAS J CA2000-04-28 → cancelled 2004-08-21
- Wilson, Mark A CA2022-03-05 active