Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH0L callsign genealogy
Currently held by PIZUELO, MALVIN V
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 WH0L's current licensee, walking backwards.
- PIZUELO, MALVIN VMPgranted 2017-05-05cancelled 2025-06-14
Successor callsigns
Callsigns held now by people who previously held WH0L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WH0L, oldest first.
- Takagi, Tsuneo MP2013-05-14 → cancelled 2025-05-24
- PIZUELO, MALVIN V MP2025-06-14 active