Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9RGH callsign genealogy
Currently held by Hahn, Richard G
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 W9RGH's current licensee, walking backwards.
- Hahn, Richard GILgranted 2002-03-28cancelled 2007-02-13
Successor callsigns
Callsigns held now by people who previously held W9RGH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9RGH, oldest first.
- PLANCK, RUSSELL M IL1990-05-08 → cancelled 2002-05-09
- Hahn, Richard G IL2016-12-02 active