Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN6DO callsign genealogy
Currently held by Sarmiento, Reynaldo A
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 KN6DO's current licensee, walking backwards.
- Sarmiento, Reynaldo ACAgranted 2020-11-23cancelled 2021-01-15
Successor callsigns
Callsigns held now by people who previously held KN6DO.
- PERRY, JACK LGAgranted 2020-06-09
All historical holders
Every license row we've seen with the callsign KN6DO, oldest first.
- PERRY, JACK L GA1998-03-18 → cancelled 2000-07-18
- Sarmiento, Reynaldo A CA2021-01-15 active