N4LLH
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderTOLLEFSRUD, KATHERINE M
License ClassTechnician
Min. Class RequiredGeneral
LocationSPRING GROVE, MN
Grant DateJun 27, 2026
Expiration DateAug 4, 2036
N4LLH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by TOLLEFSRUD, KATHERINE M in SPRING GROVE, MN. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by HENLEY, LAVON L on Mar 27, 2006. N4LLH has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- .-.. .-.. ....
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
November Four Lima Lima Hotel
Readability: 7.5/10(High readability)
License History
- License RenewedJun 27, 2026
- License RenewedAug 4, 2016
- Administrative Update AppliedJun 3, 2009
- License IssuedApr 15, 2006
- Vanity Callsign GrantedApr 15, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.