Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ7ACI callsign genealogy
Currently held by Waterhouse, Gregory 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 KJ7ACI'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 KJ7ACI.
- Waterhouse, Gregory SIDgranted 2019-02-20