WP4RF
Active2x2District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderScism, Trenton M
License ClassTechnician
Min. Class RequiredGeneral
LocationColumbia, MO
Grant DateJan 21, 2026
Expiration DateFeb 12, 2036
WP4RF is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Scism, Trenton M in Columbia, MO. 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 Cordero, Ivan J on Sep 11, 2017. WP4RF has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .--. ....- .-. ..-.
CW Weight: 33 units(Moderate)
Voice Phonetics
Whiskey Papa Four Romeo Foxtrot
Readability: 7.5/10(High readability)
License History
- License RenewedJan 21, 2026
- License ModifiedApr 19, 2019
- License IssuedFeb 12, 2016
- Vanity Callsign GrantedFeb 12, 2016
- License ExpiredNov 9, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.