Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RKS callsign genealogy
Currently held by Sites III, Robert K
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 K4RKS's current licensee, walking backwards.
- Sites III, Robert KFLgranted 2012-05-11cancelled 2012-05-26
Successor callsigns
Callsigns held now by people who previously held K4RKS.
No current licensee on record previously held this callsign.