Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3HRD callsign genealogy
Currently held by CHA, PHILIP 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 W3HRD's current licensee, walking backwards.
- CHA, PHILIP HMDgranted 2019-07-08cancelled 2020-04-14
Successor callsigns
Callsigns held now by people who previously held W3HRD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3HRD, oldest first.
- RUTH, WILLIAM R MD1997-08-11 → cancelled 2009-08-12
- CHA, PHILIP H MD2020-04-14 active