Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7PXX callsign genealogy
Currently held by HERON, DAVID
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 K7PXX's current licensee, walking backwards.
- BRANDT, STEPHEN CUTgranted 2014-12-23cancelled 2016-10-01
Successor callsigns
Callsigns held now by people who previously held K7PXX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7PXX, oldest first.
- HERON, DAVID CA1998-11-12 → cancelled 2010-11-13
- Brandt, Stephen C UT2016-10-01 active