KF0WR
Available2x2District 0
Competitive callsign — 1 application filed with the FCC.
License HolderHeisinger, Russell C
License ClassTechnician
Min. Class RequiredGeneral
LocationNorthport, NY
Grant DateFeb 4, 1992
Expiration DateFeb 4, 2002
Cancellation DateFeb 5, 2004
Available for ApplicationsFeb 5, 2004
KF0WR is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Heisinger, Russell C in Northport, NY. 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 Barrett, Nathaniel C on Jan 15, 2026. KF0WR has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- ..-. ----- .-- .-.
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Foxtrot Zero Whiskey Romeo
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredFeb 5, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Barrett, Nathaniel CFiled Jan 15, 2026Not awardedFCC ↗