Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF1CRS callsign genealogy
Currently held by Schlueter, Carl R
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 KF1CRS's current licensee, walking backwards.
- Schlueter, Carl RMOgranted 2023-03-13
Successor callsigns
Callsigns held now by people who previously held KF1CRS.
- Schlueter, Carl RMOgranted 2023-03-13