Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4KWB callsign genealogy
Currently held by Santiago, Juan A
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 KP4KWB's current licensee, walking backwards.
- Santiago, Juan APRgranted 2010-12-29cancelled 2019-02-01
Successor callsigns
Callsigns held now by people who previously held KP4KWB.
No current licensee on record previously held this callsign.