Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KF8CAB callsign genealogy
Currently held by GRIMM, WILLIAM 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 KF8CAB'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 KF8CAB.
- GRIMM, WILLIAM JMIgranted 2024-09-10cancelled 2024-10-25