Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7JJS callsign genealogy
Currently held by SCHLUNDT, JOHN J
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 K7JJS's current licensee, walking backwards.
- JOHNSTON, JENNIFERMTgranted 2013-09-18cancelled 2014-01-11
Successor callsigns
Callsigns held now by people who previously held K7JJS.
- SCHLUNDT, JOHN JAZgranted 2006-09-12cancelled 2018-09-13
All historical holders
Every license row we've seen with the callsign K7JJS, oldest first.
- SCHLUNDT, JOHN J AZ2006-07-14 → cancelled 2006-09-12
- JOHNSTON, JENNIFER MT2014-01-11 → cancelled 2026-03-07