Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE4HTD callsign genealogy
Currently held by Koperda, David R
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 KE4HTD's current licensee, walking backwards.
- Koperda, David RGAgranted 2005-11-09cancelled 2007-07-03
Successor callsigns
Callsigns held now by people who previously held KE4HTD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4HTD, oldest first.
- SADLER, BARRY C NC1993-11-23 → cancelled 2005-11-24
- Koperda, David R GA2017-06-07 active