Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4JRG callsign genealogy
Currently held by McGuigan, Robert E
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 KG4JRG's current licensee, walking backwards.
- Gardner, James RFLgranted 2003-04-21cancelled 2012-10-19
Successor callsigns
Callsigns held now by people who previously held KG4JRG.
All historical holders
Every license row we've seen with the callsign KG4JRG, oldest first.
- McGuigan, Robert E AL2000-09-22 → cancelled 2000-11-17
- Gardner, James R FL2012-10-19 → cancelled 2016-09-27