W4MRK
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderHelms, Mark R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationFairfax, VA
Grant DateJun 6, 2023
Expiration DateJun 6, 2033
W4MRK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Helms, Mark R in Fairfax, VA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Helms, Mark R on May 17, 2023. W4MRK has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -- .-. -.-
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Four Mike Romeo Kilo
Readability: 8/10(High readability)
License History
- Administrative Update AppliedMay 3, 2025
- Vanity Callsign GrantedJun 6, 2023
- License IssuedJun 6, 2023
- License ExpiredApr 22, 2021
- Administrative Update AppliedAug 18, 2018
- License RenewedJul 22, 2009
- Administrative Update AppliedFeb 17, 2004
- Administrative Update AppliedNov 14, 2000
- License ModifiedSep 12, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.