Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4RS callsign genealogy
Currently held by Strickland III, Robin C
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 KM4RS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KM4RS.
- ROBINSON, WILLIAM RTNgranted 2018-12-13
All historical holders
Every license row we've seen with the callsign KM4RS, oldest first.
- Strickland III, Robin C GA2024-11-26 active
- ROBINSON, WILLIAM R— → cancelled 1999-02-03