Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3RK callsign genealogy
Currently held by KLINGMEYER, RAYMOND
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 N3RK's current licensee, walking backwards.
- Park, InsungNYgranted 2017-11-13cancelled 2020-05-01
Successor callsigns
Callsigns held now by people who previously held N3RK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3RK, oldest first.
- KLINGMEYER, RAYMOND MD2009-08-29 → cancelled 2018-03-13
- Park, Insung NY2020-05-01 active