K4JDU
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderURBACH, JOHN D
License ClassGeneral
Min. Class RequiredGeneral
LocationOAK RIDGE, TN
Grant DateJan 26, 2021
Expiration DateJan 26, 2031
K4JDU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by URBACH, JOHN D in OAK RIDGE, TN. 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 URBACH, JOHN D on Jan 8, 2021. K4JDU has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--- -.. ..-
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Four Juliet Delta Uniform
Readability: 7/10(Good readability)
License History
- License IssuedJan 26, 2021
- Vanity Callsign GrantedJan 26, 2021
- License ExpiredApr 20, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.