Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5TTM callsign genealogy
Currently held by MILES, WILLIAM P
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 N5TTM's current licensee, walking backwards.
- Rossiter III, William DMDgranted 2012-10-30cancelled 2020-02-28
Successor callsigns
Callsigns held now by people who previously held N5TTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5TTM, oldest first.
- MILES, WILLIAM P TX1991-05-28 → cancelled 2003-05-29
- Rossiter III, William D MD2020-02-28 active