Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4PJN callsign genealogy
Currently held by PRADO TROCHE, DANIEL
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 WP4PJN's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WP4PJN.
- PRADO TROCHE, DANIELPRgranted 2015-05-15