Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9DDD callsign genealogy
Currently held by Lambert, Donald E
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 KD9DDD's current licensee, walking backwards.
- Lambert, Donald EINgranted 2014-02-20cancelled 2014-04-11
Successor callsigns
Callsigns held now by people who previously held KD9DDD.
No current licensee on record previously held this callsign.