Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7RTX callsign genealogy
Currently held by LANGE, DAVID 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 W7RTX's current licensee, walking backwards.
- Lange, David AWAgranted 2001-06-12cancelled 2002-03-30
Successor callsigns
Callsigns held now by people who previously held W7RTX.
No current licensee on record previously held this callsign.