Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WR7X callsign genealogy
Currently held by KAMSTRA, REX 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 WR7X's current licensee, walking backwards.
- KAMSTRA, REX AWAgranted 1995-03-17cancelled 2002-05-07
- KC7DRLno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WR7X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WR7X, oldest first.
- LANDRUM, BURNS M TX1995-02-27 → cancelled 2002-04-18
- KAMSTRA, REX A OR2022-02-08 active