Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ATM callsign genealogy
Currently held by Lamberth, Dennis R
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 K1ATM's current licensee, walking backwards.
- Lamberth, Dennis RTXgranted 2016-11-04cancelled 2016-12-06
Successor callsigns
Callsigns held now by people who previously held K1ATM.
No current licensee on record previously held this callsign.