Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ADR callsign genealogy
Currently held by RANDOLPH, ALEX D
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 K4ADR's current licensee, walking backwards.
- RANDOLPH, ALEX DFLgranted 1996-01-15cancelled 2002-04-03
Successor callsigns
Callsigns held now by people who previously held K4ADR.
No current licensee on record previously held this callsign.