Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KM4TKR callsign genealogy
Currently held by Behrman, Robert J
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 KM4TKR's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KM4TKR.
- Behrman, Robert JGAgranted 2019-02-20