Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4GDH callsign genealogy
Currently held by DIAZ HEREDIA, GLORYMAR
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 KP4GDH's current licensee, walking backwards.
- DIAZ HEREDIA, GLORYMARPRgranted 2018-07-16cancelled 2019-02-05
Successor callsigns
Callsigns held now by people who previously held KP4GDH.
No current licensee on record previously held this callsign.