Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4PHJ callsign genealogy
Currently held by Stewart, David H
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 W4PHJ's current licensee, walking backwards.
- Stewart, David HFLgranted 2025-03-18cancelled 2025-05-30
Successor callsigns
Callsigns held now by people who previously held W4PHJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4PHJ, oldest first.
- STEWART, CRAIG H FL2020-11-13 → cancelled 2023-09-23
- Stewart, David H FL2025-05-30 active