Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7ECJ callsign genealogy
Currently held by Quarta, Joseph R
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 KF7ECJ's current licensee, walking backwards.
- POTRATZ, STEVENMTgranted 2014-07-08cancelled 2018-10-30
Successor callsigns
Callsigns held now by people who previously held KF7ECJ.
- Quarta, Joseph RMTgranted 2019-07-16
All historical holders
Every license row we've seen with the callsign KF7ECJ, oldest first.
- Quarta, Joseph R MT2009-08-07 → cancelled 2009-08-25
- POTRATZ, STEVEN MT2018-10-30 active