N1SDT
Active1x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderDONDERO, RONALD F
License ClassTechnician
Min. Class RequiredGeneral
LocationBARRINGTON, NH
Grant DateJul 8, 2025
Expiration DateJul 8, 2035
N1SDT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by DONDERO, RONALD F in BARRINGTON, NH. 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 TOENSING, SETH D on Dec 1, 2014. N1SDT has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. .---- ... -.. -
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
November One Sierra Delta Tango
Readability: 7/10(Good readability)
License History
- License RenewedJul 8, 2025
- License RenewedFeb 12, 2015
- FRN Association Letter SentSep 2, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- TOENSING, SETH DFiled Dec 1, 2014Not awardedFCC ↗