Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7ZF callsign genealogy
Currently held by WILLIS, ROBERT 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 N7ZF's current licensee, walking backwards.
- WILLIS, ROBERT MIDgranted 2006-03-07cancelled 2006-06-17
Successor callsigns
Callsigns held now by people who previously held N7ZF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7ZF, oldest first.
- CARLSON, JAMES E WA1999-05-05 → cancelled 1999-09-07
- WILLIS, ROBERT M ID2026-04-08 active