Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7RMX callsign genealogy
Currently held by Zastrow, David M
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 W7RMX's current licensee, walking backwards.
- Zastrow, David MIDgranted 2020-12-08cancelled 2021-01-01
Successor callsigns
Callsigns held now by people who previously held W7RMX.
No current licensee on record previously held this callsign.