Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4TEM callsign genealogy
Currently held by Rosa Rodriguez, Erwyn X
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 WP4TEM'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 WP4TEM.
- Rosa Rodriguez, Erwyn XPRgranted 2024-03-01