K7AQ (since 1987)
Retrieving license, trustee, & application history for

N1SDX

N1SDX is restricted to Technician class operators or higher.
N1SDX is c - canceled, but is not yet available.
Navigation:
Notes:
  • Column headings link to an explanation of the column.
  • A bold Applicant Type marks a vanity callsign assignment.
  • Active licenses are listed first, then the rest by Effective Date, newest first.
Entity
Name
Applicant
Type
Licensee
Class
Region
/ State
License
Status
Grant
Date
Effective
Date
Cancel
Date
Expire
Date
Peterson, John S I - Individual G - General1 / RI C - Canceled 2026-02-24 2026-02-24 2026-03-24 2036-02-24
MARTELL, WILLIAM T I - Individual T - Technician1 / NH E - Expired 1994-07-07 1994-07-07 2006-07-08 2004-07-07

Retrieving applications for

N1SDX

N1SDX is restricted to Technician class operators or higher.
N1SDX is c - canceled, but is not yet available.
Navigation:
  • An Applicant callsign opens that callsign’s history; an Entity Name opens the applicant’s history.
  • A ULS File Number opens the application detail; a Receipt Date opens that day’s applications.
Notes:
  • Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.
  • “Granted” means the application was granted, not necessarily with this callsign.
  • Receipt dates more than a month old have a gray background.
Receipt
Date
Applicant
Callsign
Region
/ State
Entity
Name
ULS File
Number
Application
Purpose
Payment
Date
Last Action
Date
Application
Status
Fri 2026-02-06 N5JSP 1 / RI Peterson, John S 0011898880
I - Online
MD - Modification 2026-02-06 2026-02-24 G - Granted
Tue 2013-11-26 KC1AVM 1 / MA Simon, Oliver E 0006033724
I - Online
MD - Modification 2013-11-27 2013-12-14 G - Granted