WB4MRK
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderKELLER, MICHAEL R
License ClassGeneral
Min. Class RequiredTechnician
LocationFinksburg, MD
Grant DateApr 9, 2004
Expiration DateApr 9, 2014
Cancellation DateJul 27, 2012
Available for ApplicationsJul 28, 2014
WB4MRK is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by KELLER, MICHAEL R in Finksburg, MD. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by KELLER, MICHAEL R on Mar 22, 2004. WB4MRK has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -... ....- -- .-. -.-
CW Weight: 38 units(Moderate)
Voice Phonetics
Whiskey Bravo Four Mike Romeo Kilo
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledJul 27, 2012
- Administrative Update AppliedJul 10, 2012
- Administrative Update AppliedJan 4, 2006
- License IssuedApr 9, 2004
- Vanity Callsign GrantedApr 9, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- KELLER, MICHAEL RFiled Mar 22, 2004Not awardedFCC ↗