Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD5ZRG callsign genealogy
Currently held by HALLUM, ROGER C
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 KD5ZRG's current licensee, walking backwards.
- HALLUM, ROGER CNMgranted 1996-09-05cancelled 2003-11-19
Successor callsigns
Callsigns held now by people who previously held KD5ZRG.
- HALLUM, ROGER CNMgranted 2016-06-16