Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4TQR callsign genealogy
Currently held by FREY, PATRICK A
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 KC4TQR's current licensee, walking backwards.
- Frey, GabrielINgranted 2020-10-26cancelled 2020-11-14
Successor callsigns
Callsigns held now by people who previously held KC4TQR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4TQR, oldest first.
- FREY, PATRICK A TN2000-10-03 → cancelled 2012-10-17
- Frey, Gabriel IN2020-11-14 active