KR4FY
Available2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderGRABOWSKI, JOHN F
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationWAUSAU, WI
Grant DateDec 19, 2003
Expiration DateDec 19, 2013
Cancellation DateMar 13, 2004
Available for ApplicationsMar 14, 2006
KR4FY is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by GRABOWSKI, JOHN F in WAUSAU, WI. 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 Stines, David R on Mar 4, 2026. KR4FY has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- ..-. -.--
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Romeo Four Foxtrot Yankee
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledMar 13, 2004
- License ModifiedFeb 23, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Stines, David RFiled Mar 4, 2026DismissedFCC ↗