W4TDO
Active1x3District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderBolick, Melissa M
License ClassGeneral
Min. Class RequiredGeneral
LocationSAN FRANCISCO, CA
Grant DateApr 18, 2023
Expiration DateApr 18, 2033
W4TDO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Bolick, Melissa M in SAN FRANCISCO, CA. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Bolick, Melissa M on Mar 29, 2023. W4TDO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 31 units(Moderate)
Voice Phonetics
Whiskey Four Tango Delta Oscar
Readability: 8/10(High readability)
License History
- License ModifiedJun 7, 2023
- License IssuedApr 18, 2023
- Vanity Callsign GrantedApr 18, 2023
Vanity Application Activity
Competing applications filed with the FCC for this callsign.