Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4TEN callsign genealogy
Currently held by La Sierra Contest Group
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 WP4TEN'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 WP4TEN.
- KP4JAcancelledLa Sierra Contest GroupPRgranted 2024-02-27cancelled 2024-08-09