KF0WHO
Active2x3District 0
Competitive callsign — 1 application filed with the FCC.
License HolderZirkelbach, Mark I
License ClassTechnician
Min. Class RequiredTechnician
LocationCarlisle, IA
Grant DateFeb 11, 2026
Expiration DateFeb 11, 2036
KF0WHO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Zirkelbach, Mark I in Carlisle, IA. 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 Jorenby, Kristin L on Sep 9, 2019. KF0WHO has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..-. ----- .-- .... ---
CW Weight: 48 units(Heavy (slower to send))
Voice Phonetics
Kilo Foxtrot Zero Whiskey Hotel Oscar
Readability: 7/10(Good readability)
License History
- System-Generated GrantFeb 11, 2026
- License IssuedFeb 11, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Jorenby, Kristin LFiled Sep 9, 2019Not awardedFCC ↗