Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ERG callsign genealogy
Currently held by Puerto Rico Emergency Radio 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 KP4ERG's current licensee, walking backwards.
- WP4QAQcancelledPuerto Rico Emergency Radio GroupPRgranted 2018-04-30cancelled 2018-05-19
Successor callsigns
Callsigns held now by people who previously held KP4ERG.
No current licensee on record previously held this callsign.