Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DF callsign genealogy
Currently held by STRAIN, LARRY 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 N7DF's current licensee, walking backwards.
- Freedel, David MWAgranted 2026-03-11cancelled 2026-07-24
Successor callsigns
Callsigns held now by people who previously held N7DF.
- ANDERSON, GEOFFORY DUTgranted 2024-07-02
All historical holders
Every license row we've seen with the callsign N7DF, oldest first.
- STRAIN, LARRY W NM2011-09-14 → cancelled 2023-11-28
- ANDERSON, GEOFFORY D UT2023-12-15 → cancelled 2024-07-02
- Freedel, David M WA2026-07-24 active