Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ARF callsign genealogy
Currently held by Zwang, Eric
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 K4ARF's current licensee, walking backwards.
- Zwang, EricFLgranted 2009-06-09cancelled 2009-06-30
Successor callsigns
Callsigns held now by people who previously held K4ARF.
No current licensee on record previously held this callsign.