K4EMR
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderUNDERWOOD, DONNA M
License ClassGeneral
Min. Class RequiredGeneral
LocationGillette, WY
Grant DateDec 4, 2025
Expiration DateDec 21, 2035
K4EMR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by UNDERWOOD, DONNA M in Gillette, WY. 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 Biron, David W on Jul 5, 2024. K4EMR has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- . -- .-.
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Echo Mike Romeo
Readability: 8/10(High readability)
License History
- License RenewedDec 4, 2025
- License RenewedDec 21, 2015
- Administrative Update AppliedMay 14, 2013
- License ModifiedApr 20, 2012
- Administrative Update AppliedDec 13, 2006
- Vanity Callsign GrantedSep 13, 2005
- License IssuedSep 13, 2005
- License ExpiredSep 10, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.