NP4TB
Available2x2District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderSICILIA, ROBERT J
License ClassGeneral
Min. Class RequiredGeneral
LocationCATANO, PR
Grant DateDec 15, 1987
Expiration DateDec 15, 1997
Cancellation DateDec 16, 1999
Available for ApplicationsDec 16, 1999
NP4TB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by SICILIA, ROBERT J in CATANO, PR. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Borduas Jr, Theodore R on Aug 18, 2025. NP4TB has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-. .--. ....- - -...
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
November Papa Four Tango Bravo
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredDec 16, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.