W4COO
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderMERRYMAN, ROBERT C
License ClassGeneral
Min. Class RequiredGeneral
LocationSCOTTSDALE, AZ
Grant DateDec 30, 2025
Expiration DateOct 14, 2035
W4COO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MERRYMAN, ROBERT C in SCOTTSDALE, AZ. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Cooley, Michael T on Sep 25, 2015. W4COO has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 40 units(Moderate)
Voice Phonetics
Whiskey Four Charlie Oscar Oscar
Readability: 8/10(High readability)
License History
- Administrative Update AppliedJan 2, 2026
- License RenewedDec 30, 2025
- Administrative Update AppliedDec 6, 2016
- License IssuedOct 14, 2015
- Vanity Callsign GrantedOct 14, 2015
- License ExpiredAug 3, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.