Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K1EXT callsign genealogy
Currently held by Extreme, Eric
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 K1EXT's current licensee, walking backwards.
- Extreme, EricNHgranted 2018-09-18cancelled 2022-07-06
Successor callsigns
Callsigns held now by people who previously held K1EXT.
- Extreme, EricNHgranted 2026-06-13cancelled 2026-07-24