N4IRM
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderTROUPE, SUSAN C
License ClassTechnician
Min. Class RequiredGeneral
LocationWATERBURY, CT
Grant DateJul 26, 1988
Expiration DateJul 26, 1998
Cancellation DateJul 27, 2000
Available for ApplicationsJul 27, 2000
N4IRM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by TROUPE, SUSAN C in WATERBURY, CT. 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 Postel, David on Jul 28, 2026. N4IRM has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-. ....- .. .-. --
CW Weight: 24 units(Light (fast to send))
Voice Phonetics
November Four India Romeo Mike
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJul 27, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Postel, DavidFiled Jul 28, 2026Not awardedFCC ↗