Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD5IDZ callsign genealogy
Currently held by VARGAS, DAVID 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 KD5IDZ's current licensee, walking backwards.
- Vargas, David JNMgranted 2020-01-10cancelled 2020-01-28
Successor callsigns
Callsigns held now by people who previously held KD5IDZ.
- Vargas, David JNMgranted 2020-01-10cancelled 2020-01-28
All historical holders
Every license row we've seen with the callsign KD5IDZ, oldest first.
- VARGAS, DAVID J NM2009-07-02 → cancelled 2010-01-20
- Vargas, David J NM2020-01-28 active