Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC7MKQ callsign genealogy
Currently held by Sisk, Joe 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 KC7MKQ's current licensee, walking backwards.
- Sisk, Joseph FLAgranted 2023-02-22cancelled 2024-06-15
Successor callsigns
Callsigns held now by people who previously held KC7MKQ.
- Sisk, Joseph FLAgranted 2023-02-22cancelled 2024-06-15
All historical holders
Every license row we've seen with the callsign KC7MKQ, oldest first.
- Sisk, Joe F LA2015-05-09 → cancelled 2023-02-22
- Sisk, Joseph F LA2024-06-15 active