Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4AMG callsign genealogy
Currently held by Hyatt, Robert 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 KD4AMG's current licensee, walking backwards.
- Hyatt, Robert CALgranted 2011-02-23cancelled 2016-01-16
Successor callsigns
Callsigns held now by people who previously held KD4AMG.
- Hyatt, Robert CALgranted 2011-02-23cancelled 2016-01-16
All historical holders
Every license row we've seen with the callsign KD4AMG, oldest first.
- Hyatt, Robert C AL2001-03-06 → cancelled 2004-03-17
- Hyatt, Robert C AL2016-01-16 active