Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4SHL callsign genealogy
Currently held by TORRES, DAVID
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 WP4SHL's current licensee, walking backwards.
- TORRES, DAVIDPRgranted 2012-05-22cancelled 2022-05-03
Successor callsigns
Callsigns held now by people who previously held WP4SHL.
- TORRES, DAVIDPRgranted 2022-05-27cancelled 2022-07-06