Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1KTM callsign genealogy
Currently held by Graves III, John 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 W1KTM's current licensee, walking backwards.
- Graves III, John TFLgranted 2018-01-09cancelled 2018-06-22
Successor callsigns
Callsigns held now by people who previously held W1KTM.
No current licensee on record previously held this callsign.