K4ISK
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderKorpershoek, Isaac S
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationFort Lauderdale, FL
Grant DateDec 13, 2019
Expiration DateDec 13, 2029
K4ISK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Korpershoek, Isaac S in Fort Lauderdale, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Korpershoek, Isaac S on Nov 25, 2019. K4ISK has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .. ... -.-
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four India Sierra Kilo
Readability: 7/10(Good readability)
License History
- License IssuedDec 13, 2019
- Vanity Callsign GrantedDec 13, 2019
- License ExpiredDec 3, 2015
- License IssuedDec 2, 2003
- Vanity Callsign GrantedDec 2, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.