Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9TTN callsign genealogy
Currently held by Watertown Amateur Radio Club UA
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 W9TTN's current licensee, walking backwards.
- KD9EOXcancelledWatertown Amateur Radio Club UAWIgranted 2015-09-16cancelled 2015-10-06
Successor callsigns
Callsigns held now by people who previously held W9TTN.
No current licensee on record previously held this callsign.