Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4INP callsign genealogy
Currently held by GORDON III, WILLIAM D
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 KD4INP's current licensee, walking backwards.
- RODRIGUEZ VALLE, ALMA IFLgranted 2020-05-21cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held KD4INP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4INP, oldest first.
- GORDON III, WILLIAM D FL1992-01-07 → cancelled 2004-01-08
- Reyes, ALMA R FL2022-04-19 active