K3EI
Active1x2District 3
Competitive callsign — 22 applications filed with the FCC.
License HolderLidstrom, Derek R
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationGrand Forks, ND
Grant DateDec 19, 2017
Expiration DateDec 19, 2027
K3EI is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Lidstrom, Derek R in Grand Forks, ND. This callsign has attracted significant interest in the amateur radio community, with 22 vanity applications filed with the FCC. The most recent was submitted by JACKSON, DAVID R on Dec 15, 2017. K3EI has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- . ..
CW Weight: 19 units(Ultra-light (very fast to send))
Voice Phonetics
Kilo Three Echo India
Readability: 8/10(High readability)
License History
- Administrative Update AppliedMar 21, 2026
- Administrative Update AppliedJun 20, 2018
- License IssuedDec 19, 2017
- Vanity Callsign GrantedDec 19, 2017
- License ExpiredNov 29, 2017
- Tax ID (TIN) AddedSep 2, 2005
- License RenewedSep 2, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.