WB4MDC
Active2x3District 4
No competing applications on record.
License HolderWARREN, WILLIAM J
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationMERRIMACK, NH
Grant DateJan 13, 2026
Expiration DateJan 19, 2036
WB4MDC is a 2x3 format amateur radio callsign. It is currently registered to WARREN, WILLIAM J in MERRIMACK, NH. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
.-- -... ....- -- -.. -.-.
CW Weight: 39 units(Moderate)
Voice Phonetics
Whiskey Bravo Four Mike Delta Charlie
Readability: 8/10(High readability)
License History
- License RenewedJan 13, 2026
- Administrative Update AppliedJan 9, 2021
- Administrative Update AppliedJan 9, 2021
- License RenewedNov 19, 2015
- License RenewedDec 7, 2005
- FRN Association Email SentDec 6, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.