WD4NMM
Available2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderKos, Michael R
License ClassTechnician
Min. Class RequiredTechnician
LocationWest Pittsburgh, PA
Grant DateJul 12, 2013
Expiration DateMar 5, 2024
Cancellation DateMar 6, 2026
Available for ApplicationsMar 6, 2026
WD4NMM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Kos, Michael R in West Pittsburgh, PA. 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 DYE, RONALD G on Jul 17, 2000. WD4NMM has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -.. ....- -. -- --
CW Weight: 35 units(Moderate)
Voice Phonetics
Whiskey Delta Four November Mike Mike
Readability: 8/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredMar 6, 2026
- License RenewedJul 12, 2013
- License ModifiedDec 17, 2003
- License RenewedNov 20, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.