Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7UP callsign genealogy
Currently held by SCHNEIDER, JOHN 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 K7UP's current licensee, walking backwards.
- Heap, DavidUTgranted 2014-02-28cancelled 2016-04-12
Successor callsigns
Callsigns held now by people who previously held K7UP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7UP, oldest first.
- SCHNEIDER, JOHN A NM2003-12-23 → cancelled 2016-03-23
- Heap, David UT2026-04-14 active