N6ISO
Active1x3District 6
Competitive callsign — 1 application filed with the FCC.
License HolderVadlamani, Prasanna Nikhil Sath
License ClassTechnician
Min. Class RequiredGeneral
LocationSan Mateo, CA
Grant DateDec 9, 2025
Expiration DateDec 9, 2035
N6ISO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Vadlamani, Prasanna Nikhil Sath in San Mateo, CA. 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 Vadlamani, Prasanna Nikhil Sath on Sep 22, 2025. N6ISO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. -.... .. ... ---
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
November Six India Sierra Oscar
Readability: 6.5/10(Good readability)
License History
- License IssuedDec 9, 2025
- Vanity Callsign GrantedDec 9, 2025
- License ExpiredJan 26, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Vadlamani, Prasanna Nikhil SathFiled Sep 22, 2025Not awardedFCC ↗