Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1JHI callsign genealogy
Currently held by ISABELLE, JONATHAN H
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 K1JHI's current licensee, walking backwards.
- ISABELLE, JONATHAN HMAgranted 2017-09-07cancelled 2025-03-04
Successor callsigns
Callsigns held now by people who previously held K1JHI.
No current licensee on record previously held this callsign.