Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4RTR callsign genealogy
Currently held by ATKINSON JR, DANIEL M
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 K4RTR's current licensee, walking backwards.
- Lee, Gregory MALgranted 2024-01-03cancelled 2024-03-15
Successor callsigns
Callsigns held now by people who previously held K4RTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4RTR, oldest first.
- ATKINSON JR, DANIEL M AL2013-11-12 → cancelled 2022-02-25
- Lee, Gregory M AL2024-03-15 active