Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7JTN callsign genealogy
Currently held by Nielsen, 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 K7JTN's current licensee, walking backwards.
- Nielsen, John TWAgranted 2017-12-07cancelled 2021-04-06
Successor callsigns
Callsigns held now by people who previously held K7JTN.
No current licensee on record previously held this callsign.