Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI6RSO callsign genealogy
Currently held by Pimentel, David
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 KI6RSO's current licensee, walking backwards.
- Pimentel, DavidCAgranted 2007-11-07cancelled 2008-06-26
Successor callsigns
Callsigns held now by people who previously held KI6RSO.
- PIMENTEL, DAVIDCAgranted 2017-08-21