Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ7QPK callsign genealogy
Currently held by Grindle, Michael F
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 KJ7QPK'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 KJ7QPK.
- GRINDLE, MICHAEL FIDgranted 2020-10-06cancelled 2021-05-28