Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4ARC callsign genealogy
Currently held by ARECIBO 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 WP4ARC's current licensee, walking backwards.
- WP4RFWcancelledARECIBO RADIO CLUBPRgranted 2019-09-03cancelled 2019-09-24
Successor callsigns
Callsigns held now by people who previously held WP4ARC.
No current licensee on record previously held this callsign.