Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4APM callsign genealogy
Currently held by Miller, Addison D
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 K4APM's current licensee, walking backwards.
- Miller, Addison DSCgranted 2024-02-24cancelled 2025-08-19
Successor callsigns
Callsigns held now by people who previously held K4APM.
- Cannon, Gerald WTNgranted 2021-07-27
All historical holders
Every license row we've seen with the callsign K4APM, oldest first.
- MILLS, LINDA M VA2007-11-22 → cancelled 2020-01-15
- Cannon, Gerald W TN2020-05-12 → cancelled 2021-07-27
- Miller, Addison D SC2025-08-19 active