Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AF5TH callsign genealogy
Currently held by Tomasofsky, Michael S
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 AF5TH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AF5TH.
- Tomasofsky, Michael STXgranted 2018-07-20cancelled 2025-03-14