Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4RJW callsign genealogy
Currently held by WITMER, RICHARD 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 K4RJW's current licensee, walking backwards.
- WITMER, RICHARD JFLgranted 1994-08-30cancelled 2001-05-01
Successor callsigns
Callsigns held now by people who previously held K4RJW.
No current licensee on record previously held this callsign.