W4JDM
Active1x3District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderMassaro, Jonathan D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationGREENBRIER, TN
Grant DateNov 7, 2023
Expiration DateNov 7, 2033
W4JDM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Massaro, Jonathan D in GREENBRIER, TN. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Massaro, Jonathan D on Oct 19, 2023. W4JDM has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 35 units(Moderate)
Voice Phonetics
Whiskey Four Juliet Delta Mike
Readability: 8/10(High readability)
License History
- Administrative Update AppliedDec 10, 2025
- License ModifiedNov 18, 2024
- Administrative Update AppliedDec 22, 2023
- License IssuedNov 7, 2023
- Vanity Callsign GrantedNov 7, 2023
- License ExpiredSep 29, 2023
- License RenewedApr 27, 2013
- License IssuedSep 28, 2001
- Vanity Callsign GrantedSep 28, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.