Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI7SHM callsign genealogy
Currently held by CHESEBRO, 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 KI7SHM's current licensee, walking backwards.
- CHESEBRO, ROBERT CAZgranted 2017-05-26cancelled 2017-12-01
Successor callsigns
Callsigns held now by people who previously held KI7SHM.
- CHESEBRO, ROBERT CAZgranted 2018-04-24