Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4WRS callsign genealogy
Currently held by SIEMERS, ROBERT S
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 KN4WRS's current licensee, walking backwards.
- SIEMERS, ROBERT SNCgranted 2018-10-09cancelled 2018-11-02
Successor callsigns
Callsigns held now by people who previously held KN4WRS.
No current licensee on record previously held this callsign.