Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ABD callsign genealogy
Currently held by NICHOLSON, 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 K6ABD's current licensee, walking backwards.
- NICHOLSON, DAVID ACAgranted 1997-04-23cancelled 2003-08-19
Successor callsigns
Callsigns held now by people who previously held K6ABD.
No current licensee on record previously held this callsign.