Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6CDT callsign genealogy
Currently held by California Department Of Technology Radio Association
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 N6CDT's current licensee, walking backwards.
- KN6ZDPcancelledCalifornia Department Of Technology Radio AssociationCAgranted 2023-03-29cancelled 2023-04-18
Successor callsigns
Callsigns held now by people who previously held N6CDT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6CDT, oldest first.
- GRUBGELD JR, LESTER E CA1994-09-07 → cancelled 2006-09-08
- California Department Of Technology Radio Association CA2023-04-18 active