Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7NA callsign genealogy
Currently held by Robinson, Sherhea L
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 W7NA's current licensee, walking backwards.
- Robinson, Sherhea LFLgranted 2014-04-23cancelled 2015-01-09
Successor callsigns
Callsigns held now by people who previously held W7NA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7NA, oldest first.
- SWIGARD, CLIFTON D AZ2006-10-27 → cancelled 2012-12-19
- Robinson, Sherhea L FL2025-03-19 active