Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE3KX callsign genealogy
Currently held by KLAPPENBERGER, ALBERT J
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 KE3KX's current licensee, walking backwards.
- KLAPPENBERGER, ALBERT JMDgranted 2024-12-28cancelled 2025-01-22
Successor callsigns
Callsigns held now by people who previously held KE3KX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE3KX, oldest first.
- KOWALEK, WALTER PA1993-11-09 → cancelled 2005-11-10
- KLAPPENBERGER, ALBERT J MD2025-01-22 active