Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CRZ callsign genealogy
Currently held by Crosby, Collis
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 K4CRZ's current licensee, walking backwards.
- Crosby, CollisVAgranted 2022-07-06cancelled 2024-04-09
Successor callsigns
Callsigns held now by people who previously held K4CRZ.
No current licensee on record previously held this callsign.