Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF9CR callsign genealogy
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 KF9CR'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 KF9CR.
- Schulman, Lawrence SILgranted 1998-02-06cancelled 2007-08-18