Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF7SX callsign genealogy
Currently held by Letz, Nick T
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 AF7SX's current licensee, walking backwards.
- Letz, Nick TMTgranted 2015-07-10cancelled 2015-07-23
Successor callsigns
Callsigns held now by people who previously held AF7SX.
No current licensee on record previously held this callsign.