Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1DFM callsign genealogy
Currently held by MILLARD, DENNIS F
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 W1DFM's current licensee, walking backwards.
- MILLARD, DENNIS FPAgranted 2015-11-12cancelled 2018-10-27
Successor callsigns
Callsigns held now by people who previously held W1DFM.
- MILLARD, DENNIS FPAgranted 2020-11-03