Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4MD callsign genealogy
Currently held by CANDELARIO, JORGE L
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 WP4MD's current licensee, walking backwards.
- Velazquez-Rivera, Daniel EPRgranted 2014-02-04cancelled 2022-09-27
Successor callsigns
Callsigns held now by people who previously held WP4MD.
- Velazquez-Rivera, Daniel EPRgranted 2022-10-15
All historical holders
Every license row we've seen with the callsign WP4MD, oldest first.
- CANDELARIO, JORGE L FL2008-10-17 → cancelled 2020-10-20
- Velazquez-Rivera, Daniel E PR2022-09-27 → cancelled 2022-10-15