Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7UPZ callsign genealogy
Currently held by PRATT, DONALD W
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 W7UPZ's current licensee, walking backwards.
- Pratt, Alyssa RORgranted 2017-03-01cancelled 2017-03-28
Successor callsigns
Callsigns held now by people who previously held W7UPZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7UPZ, oldest first.
- PRATT, DONALD W OR1995-04-22 → cancelled 2007-04-24
- Pratt, Alyssa R OR2017-03-28 active