Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4DB callsign genealogy
Currently held by PACHECO SANTIAGO, VICTOR S
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 WP4DB's current licensee, walking backwards.
- Mercado-Soto, Chasdina LPRgranted 2015-07-10cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held WP4DB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4DB, oldest first.
- PACHECO SANTIAGO, VICTOR S PR1997-02-25 → cancelled 2009-02-26
- Mercado-Soto, Chasdina L PR2015-09-29 active