Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA5K callsign genealogy
Currently held by SMITH, HENRY B
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 NA5K's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NA5K.
- SMITH, HENRY BCOgranted 2021-05-18
All historical holders
Every license row we've seen with the callsign NA5K, oldest first.
- SMITH, HENRY B CO1997-03-20 → cancelled 2001-05-19
- Hinman, Matthew R TX2025-05-28 active