Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6SDS callsign genealogy
Currently held by JOHNSON, CHARLENE H
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 N6SDS's current licensee, walking backwards.
- Piraino, Francis ACAgranted 2014-01-24cancelled 2014-05-28
Successor callsigns
Callsigns held now by people who previously held N6SDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6SDS, oldest first.
- JOHNSON, CHARLENE H CA1988-05-10 → cancelled 2000-05-11
- Piraino, Francis A CA2024-03-19 active