Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4PMD callsign genealogy
Currently held by Robles-Vazquez, Luis R
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 KP4PMD's current licensee, walking backwards.
- Robles-Vazquez, Luis RPRgranted 2015-07-31cancelled 2015-11-13
Successor callsigns
Callsigns held now by people who previously held KP4PMD.
- Robles-Vazquez, Luis RNCgranted 2019-02-20