Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ERC callsign genealogy
Currently held by SOUTHWEST AMATEUR EMERGENCY 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 KP4ERC's current licensee, walking backwards.
- WP4PZFcancelledSOUTHWEST AMATEUR EMERGENCY RADIO CLUBPRgranted 2018-02-28cancelled 2021-08-23
Successor callsigns
Callsigns held now by people who previously held KP4ERC.
No current licensee on record previously held this callsign.