Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6NXX callsign genealogy
Currently held by Shark, David 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 K6NXX's current licensee, walking backwards.
- Shark, David ACAgranted 2014-07-09cancelled 2019-07-26
Successor callsigns
Callsigns held now by people who previously held K6NXX.
- Shark, David AILgranted 2020-08-07