Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI6CIY callsign genealogy
Currently held by Sprenger Sr, Robert C
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 KI6CIY'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 KI6CIY.
- SPRENGER SR, ROBERT CCAgranted 2016-01-27