Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2DD callsign genealogy
Currently held by Davis, Karl D
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 K2DD's current licensee, walking backwards.
- Davis, Karl DNJgranted 2019-09-20cancelled 2021-12-07
Successor callsigns
Callsigns held now by people who previously held K2DD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2DD, oldest first.
- COURTLANGUS, WILLIAM T NY2009-09-09 → cancelled 2021-11-18
- Davis, Karl D NJ2021-12-07 active