K4UW
Cancelled1x2District 4
Competitive callsign — 20 applications filed with the FCC.
License HolderMUNRO, ROBERT B
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationWATERBURY, CT
Grant DateMar 21, 2025
Cancellation DateDec 9, 2025
Available for ApplicationsDec 10, 2027
K4UW is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by MUNRO, ROBERT B in WATERBURY, CT. This callsign has attracted significant interest in the amateur radio community, with 20 vanity applications filed with the FCC. The most recent was submitted by Glass, Ezekiel A on Mar 17, 2025. K4UW has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ..- .--
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Uniform Whiskey
Readability: 8/10(High readability)
Available Dec 10, 2027 (519 days remaining)
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- License CanceledDec 9, 2025
- License IssuedMar 21, 2025
- Vanity Callsign GrantedMar 21, 2025
- Internal Correction AppliedJan 30, 2025
- Internal Correction AppliedJan 30, 2025
- License RenewedJan 8, 2014
- License RenewedJan 9, 2004
- License RenewedJan 9, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.