Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD6ISO callsign genealogy
Currently held by Leck, Louise O
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 KD6ISO's current licensee, walking backwards.
- Leck, Louise OCAgranted 2024-08-13cancelled 2024-08-31
Successor callsigns
Callsigns held now by people who previously held KD6ISO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6ISO, oldest first.
- LECK, LOUISE O CA1992-04-21 → cancelled 2004-04-22
- Leck, Louise O CA2024-08-31 active