K4ISY
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderYopp, Isaac C
License ClassTechnician
Min. Class RequiredGeneral
LocationSimpsonville, SC
Grant DateMay 26, 2023
Expiration DateMay 26, 2033
K4ISY is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Yopp, Isaac C in Simpsonville, SC. 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 Yopp, Isaac C on May 8, 2023. K4ISY has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .. ... -.--
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Four India Sierra Yankee
Readability: 7/10(Good readability)
License History
- License IssuedMay 26, 2023
- Vanity Callsign GrantedMay 26, 2023
- License ExpiredJan 24, 2020
- FRN Association Email SentJan 24, 2008
- License RenewedJan 18, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Yopp, Isaac CFiled May 8, 2023Not awardedFCC ↗