Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ECO 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 KP4ECO's current licensee, walking backwards.
- WP4RJVcancelledECO JMJ Fitness TeamPRgranted 2020-01-17cancelled 2020-02-11
Successor callsigns
Callsigns held now by people who previously held KP4ECO.
No current licensee on record previously held this callsign.