Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4LN callsign genealogy
Currently held by DIEPPA, WILLIAM
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 WP4LN's current licensee, walking backwards.
- Caballero Acumulada, Edwin APRgranted 2016-09-09cancelled 2017-01-10
Successor callsigns
Callsigns held now by people who previously held WP4LN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4LN, oldest first.
- DIEPPA, WILLIAM PR1987-09-29 → cancelled 1999-09-30
- Caballero Acumulada, Edwin A PR2017-01-10 active