K4HHH
Expired1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderPatmos, William M
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationClifton Park, NY
Grant DateOct 9, 2014
Expiration DateDec 4, 2024
Available for ApplicationsDec 5, 2026
K4HHH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Patmos, William M in Clifton Park, NY. 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 Senderovits, Benjamin on Jul 27, 2020. K4HHH has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .... .... ....
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Hotel Hotel Hotel
Readability: 8/10(High readability)
Available Dec 5, 2026 (92 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedOct 9, 2014
- License IssuedDec 4, 2004
- Vanity Callsign GrantedDec 4, 2004
- License ExpiredJun 26, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.