Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KDR callsign genealogy
Currently held by HOUSE, HAROLD 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 K4KDR's current licensee, walking backwards.
- Chapman, P ScottVAgranted 2015-05-19cancelled 2015-06-13
Successor callsigns
Callsigns held now by people who previously held K4KDR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KDR, oldest first.
- HOUSE, HAROLD L AL1997-06-17 → cancelled 2009-06-18
- Chapman, P Scott VA2025-04-08 active