Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1DWM callsign genealogy
Currently held by McCabe, David 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 W1DWM's current licensee, walking backwards.
- McCabe, David WMAgranted 2017-05-19cancelled 2019-02-23
Successor callsigns
Callsigns held now by people who previously held W1DWM.
No current licensee on record previously held this callsign.