Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1JTR callsign genealogy
Currently held by Robertson Mr, Jeffrey 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 K1JTR's current licensee, walking backwards.
- Robertson Mr, Jeffrey TCOgranted 2010-08-25cancelled 2020-04-07
Successor callsigns
Callsigns held now by people who previously held K1JTR.
No current licensee on record previously held this callsign.