Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5MMQ callsign genealogy
Currently held by Shipp, 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 W5MMQ's current licensee, walking backwards.
- Shipp, David MTXgranted 2020-07-02cancelled 2021-11-30
Successor callsigns
Callsigns held now by people who previously held W5MMQ.
No current licensee on record previously held this callsign.