W3JDI
Active1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderIsaak, James D
License ClassGeneral
Min. Class RequiredGeneral
LocationLondonderry, NH
Grant DateMar 16, 2018
Expiration DateMar 16, 2028
W3JDI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Isaak, James D in Londonderry, NH. 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 Isaak, James D on Feb 26, 2018. W3JDI has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ...-- .--- -.. ..
CW Weight: 33 units(Moderate)
Voice Phonetics
Whiskey Three Juliet Delta India
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedSep 12, 2025
- License IssuedMar 16, 2018
- Vanity Callsign GrantedMar 16, 2018
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Isaak, James DFiled Feb 26, 2018Not awardedFCC ↗