Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4TPM callsign genealogy
Currently held by Caguax Radio Club
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 WP4TPM'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 WP4TPM.
- KP4CGXactiveCaguax Radio ClubPRgranted 2025-04-08