Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1PDI callsign genealogy
Currently held by MILLER, THOMAS 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 W1PDI's current licensee, walking backwards.
- MILLER, THOMAS FOHgranted 1996-09-11cancelled 2003-04-26
- N1HEKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W1PDI.
- MILLER, THOMAS FOHgranted 2021-09-18
All historical holders
Every license row we've seen with the callsign W1PDI, oldest first.
- MILLER, JOHN W FL1995-04-18 → cancelled 2002-08-30
- MILLER, THOMAS F OH2013-02-02 → cancelled 2021-09-18