W1JHK
Active1x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderKnowles, John H
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationDevens, MA
Grant DateJul 18, 2025
Expiration DateJul 18, 2035
W1JHK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Knowles, John H in Devens, MA. 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 Knowles, John H on Jun 30, 2025. W1JHK has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .---- .--- .... -.-
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Whiskey One Juliet Hotel Kilo
Readability: 7.5/10(High readability)
License History
- License ModifiedDec 17, 2025
- License ModifiedDec 15, 2025
- License IssuedJul 18, 2025
- Vanity Callsign GrantedJul 18, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Knowles, John HFiled Jun 30, 2025Not awardedFCC ↗