Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CGR callsign genealogy
Currently held by SPRINGER, WILLIAM 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 K5CGR's current licensee, walking backwards.
- HELVEY JR, JAMES LOKgranted 2015-03-13cancelled 2015-05-02
Successor callsigns
Callsigns held now by people who previously held K5CGR.
- HELVEY JR, JAMES LTXgranted 2024-04-27
All historical holders
Every license row we've seen with the callsign K5CGR, oldest first.
- SPRINGER, WILLIAM J TX1998-06-19 → cancelled 2010-06-22
- HELVEY JR, JAMES L TX2015-05-02 → cancelled 2024-04-27