K4UPE
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCool, William S
License ClassGeneral
Min. Class RequiredGeneral
LocationHerndon, VA
Grant DateApr 4, 2014
Expiration DateApr 4, 2024
Cancellation DateApr 7, 2026
Available for ApplicationsApr 5, 2026
K4UPE is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Cool, William S in Herndon, VA. 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 Cool, William S on Mar 17, 2014. K4UPE has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ..- .--. .
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Four Uniform Papa Echo
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredApr 7, 2026
- License IssuedApr 4, 2014
- Vanity Callsign GrantedApr 4, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Cool, William SFiled Mar 17, 2014Not awardedFCC ↗