Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K2CRM callsign genealogy
Currently held by Muehlbauer, 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 K2CRM's current licensee, walking backwards.
- Muehlbauer, Carl RNYgranted 2016-12-05cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held K2CRM.
No current licensee on record previously held this callsign.