Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3DRU callsign genealogy
Currently held by LOMBARDO, ANDREW
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 K3DRU's current licensee, walking backwards.
- LOMBARDO, ANDREWMDgranted 2020-01-06cancelled 2020-02-08
Successor callsigns
Callsigns held now by people who previously held K3DRU.
No current licensee on record previously held this callsign.