Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9TTC callsign genealogy
Currently held by Hamann, Johnathan R
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 W9TTC's current licensee, walking backwards.
- Hamann, Johnathan RILgranted 2021-11-09cancelled 2021-12-24
Successor callsigns
Callsigns held now by people who previously held W9TTC.
No current licensee on record previously held this callsign.