Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5HDR callsign genealogy
Currently held by LEONARD, CLARENCE G
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 W5HDR's current licensee, walking backwards.
- KE5KSMcancelledHOUSTON DIGITAL EMCOMM ARCTXgranted 2006-10-04cancelled 2006-10-24
Successor callsigns
Callsigns held now by people who previously held W5HDR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5HDR, oldest first.
- LEONARD, CLARENCE G NM1994-03-22 → cancelled 2006-03-23
- HOUSTON DIGITAL EMCOMM ARC TX2016-08-08 active