Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1EIN callsign genealogy
Currently held by Klein, Jeffrey N
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 K1EIN's current licensee, walking backwards.
- Klein, Jeffrey NNJgranted 2008-07-23cancelled 2010-05-28
Successor callsigns
Callsigns held now by people who previously held K1EIN.
No current licensee on record previously held this callsign.