W4HFZ
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderKoslosky, Gregory M
License ClassTechnician
Min. Class RequiredGeneral
LocationCanton Twp, MI
Grant DateApr 14, 2026
Expiration DateJun 18, 2036
W4HFZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Koslosky, Gregory M in Canton Twp, MI. 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 HFZone Amateur Radio Club on Jul 17, 2023. W4HFZ has 16 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .... ..-. --..
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Four Hotel Foxtrot Zulu
Readability: 8/10(High readability)
License History
- License RenewedApr 14, 2026
- Administrative Update AppliedSep 20, 2023
- Administrative Update AppliedMay 2, 2023
- Administrative Update AppliedJan 7, 2020
- Administrative Update AppliedJan 1, 2019
- Administrative Update AppliedApr 18, 2017
- License RenewedApr 5, 2016
- Administrative Update AppliedJan 5, 2016
- Administrative Update AppliedNov 30, 2013
- Administrative Update AppliedSep 5, 2012
- Administrative Update AppliedApr 27, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- HFZone Amateur Radio ClubFiled Jul 17, 2023Not awardedFCC ↗