Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4RJG callsign genealogy
Currently held by Greenwood, 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 K4RJG's current licensee, walking backwards.
- Greenwood, Richard JGAgranted 2001-01-22cancelled 2001-02-13
Successor callsigns
Callsigns held now by people who previously held K4RJG.
No current licensee on record previously held this callsign.