W4ASI
Available1x3District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderLunderman, Michael R
License ClassTechnician
Min. Class RequiredGeneral
LocationCitrus Heights, CA
Grant DateSep 16, 2005
Expiration DateSep 11, 2015
Cancellation DateSep 12, 2017
Available for ApplicationsSep 12, 2017
W4ASI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Lunderman, Michael R in Citrus Heights, CA. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Lykins, Wyatt J on Dec 1, 2025. W4ASI has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .- ... ..
CW Weight: 23 units(Light (fast to send))
Voice Phonetics
Whiskey Four Alpha Sierra India
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredSep 12, 2017
- Tax ID (TIN) AddedSep 16, 2005
- License RenewedSep 16, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.