Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4RJV callsign genealogy
Currently held by ECO JMJ Fitness Team
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 WP4RJV'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 WP4RJV.
- KP4ECOactiveECO JMJ Fitness TeamPRgranted 2020-02-11