KD4YSJ
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderKoopman, David E
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationMaplewood, MN
Grant DateSep 4, 2019
Expiration DateSep 4, 2029
KD4YSJ is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Koopman, David E in Maplewood, MN. 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 Lee, Andrew G on Aug 15, 2019. KD4YSJ has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ....- -.-- ... .---
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Delta Four Yankee Sierra Juliet
Readability: 6.5/10(Good readability)
License History
- License IssuedSep 4, 2019
- Vanity Callsign GrantedSep 4, 2019
- License CanceledMar 14, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Lee, Andrew GFiled Aug 15, 2019Not awardedFCC ↗