W4ZKM
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderSUMNER, LYNN S
License ClassGeneral
Min. Class RequiredGeneral
LocationMARYVILLE, TN
Grant DateJul 2, 2019
Expiration DateSep 28, 2029
W4ZKM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SUMNER, LYNN S in MARYVILLE, TN. 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 KELLY, VICTOR C on Jul 26, 1999. W4ZKM has 12 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- --.. -.- --
CW Weight: 35 units(Moderate)
Voice Phonetics
Whiskey Four Zulu Kilo Mike
Readability: 8.5/10(High readability)
License History
- Administrative Update AppliedMay 2, 2026
- License RenewedJul 2, 2019
- Administrative Update AppliedJun 7, 2019
- License ModifiedJan 31, 2019
- Administrative Update AppliedDec 7, 2017
- Administrative Update AppliedJun 27, 2014
- Administrative Update AppliedOct 24, 2013
- Administrative Update AppliedMay 2, 2013
- License RenewedAug 14, 2009
- Administrative Update AppliedApr 14, 2006
- Administrative Update AppliedNov 18, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.