Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI6YBT callsign genealogy
Currently held by Siemons, James S
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 KI6YBT's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KI6YBT.
- Siemons, James SCAgranted 2009-04-01cancelled 2018-05-11