K1EFW
Active1x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderHEATON III, JOHN L
License ClassGeneral
Min. Class RequiredGeneral
LocationDUNSTABLE, MA
Grant DateNov 25, 2025
Expiration DateApr 12, 2034
K1EFW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by HEATON III, JOHN L in DUNSTABLE, 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 Gastin, Daniel on Jan 31, 2022. K1EFW has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- . ..-. .--
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo One Echo Foxtrot Whiskey
Readability: 8/10(High readability)
License History
- Administrative Update AppliedDec 22, 2025
- Administrative Update AppliedDec 1, 2025
- License RenewedNov 25, 2025
- License RenewedJan 30, 2014
- License RenewedMar 2, 2004
- License RenewedMar 2, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Gastin, DanielFiled Jan 31, 2022Not awardedFCC ↗