W4SRO
Cancelled1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderSchrader, Larry A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSaint Joseph, MI
Grant DateDec 29, 2018
Cancellation DateOct 5, 2024
Available for ApplicationsOct 6, 2026
W4SRO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Schrader, Larry A in Saint Joseph, MI. 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 BECK, BRIAN A on Dec 11, 2018. W4SRO has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- ... .-. ---
CW Weight: 31 units(Moderate)
Voice Phonetics
Whiskey Four Sierra Romeo Oscar
Readability: 7/10(Good readability)
Available Oct 6, 2026 (31 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledOct 5, 2024
- License ModifiedSep 23, 2019
- License ModifiedFeb 19, 2019
- License ModifiedFeb 19, 2019
- License IssuedDec 29, 2018
- Vanity Callsign GrantedDec 29, 2018
- License ExpiredFeb 9, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.