Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ6SD callsign genealogy
Currently held by LAPEE, ROBERT E
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 KJ6SD's current licensee, walking backwards.
- Chase, Michael DCAgranted 2003-07-22cancelled 2003-08-30
Successor callsigns
Callsigns held now by people who previously held KJ6SD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ6SD, oldest first.
- LAPEE, ROBERT E CA1989-04-04 → cancelled 2001-04-05
- Chase, Michael D CA2013-06-13 → cancelled 2025-09-03