KJ4DIY
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderReichert, Matthew J
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationAPO, AE
Grant DateAug 19, 2025
Expiration DateOct 16, 2035
KJ4DIY is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Reichert, Matthew J in APO, AE. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Reichert, Matthew J on Sep 28, 2015. KJ4DIY has 14 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--- ....- -.. .. -.--
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Juliet Four Delta India Yankee
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedSep 11, 2026
- License RenewedAug 19, 2025
- License ModifiedJan 28, 2025
- Administrative Update AppliedDec 24, 2024
- Administrative Update AppliedSep 7, 2022
- Administrative Update AppliedJun 1, 2020
- Administrative Update AppliedMay 15, 2018
- License IssuedOct 16, 2015
- Vanity Callsign GrantedOct 16, 2015
- License CanceledMar 3, 2009
- License ModifiedJul 8, 2008
- License Modified
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Reichert, Matthew JFiled Sep 28, 2015Not awardedFCC ↗