Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR4WLS callsign genealogy
Currently held by Geiger, Michael E
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 KR4WLS's current licensee, walking backwards.
- Geiger, Michael ENVgranted 2017-04-05cancelled 2017-07-11
Successor callsigns
Callsigns held now by people who previously held KR4WLS.
No current licensee on record previously held this callsign.