Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KDF callsign genealogy
Currently held by Crow, Randall S
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 K4KDF's current licensee, walking backwards.
- Crow, Randall STNgranted 2024-11-13cancelled 2024-12-31
Successor callsigns
Callsigns held now by people who previously held K4KDF.
No current licensee on record previously held this callsign.