Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4SPE callsign genealogy
Currently held by Mountain Amateur Radio Contest Org
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 KI4SPE'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 KI4SPE.
- W4IZTcancelledMountain Amateur Radio Contest OrgGAgranted 2017-02-09cancelled 2026-04-11