N9CHF
Available1x3District 9
Competitive callsign — 2 applications filed with the FCC.
License HolderROBINSON, MARTHA M
License ClassTechnician
Min. Class RequiredGeneral
LocationCASPER, WY
Grant DateMar 20, 2012
Expiration DateApr 23, 2022
Cancellation DateJan 1, 2021
Available for ApplicationsJan 2, 2023
N9CHF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by ROBINSON, MARTHA M in CASPER, WY. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Wells, Mike T on Mar 18, 2026. N9CHF has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ----. -.-. .... ..-.
CW Weight: 35 units(Moderate)
Voice Phonetics
November Nine Charlie Hotel Foxtrot
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledJan 1, 2021
- Administrative Update AppliedAug 20, 2013
- Administrative Update AppliedAug 20, 2013
- Administrative Update AppliedAug 20, 2013
- License RenewedMar 20, 2012
- Administrative Update AppliedJan 19, 2012
- Administrative Update AppliedAug 14, 2010
- License IssuedApr 23, 2002
- Vanity Callsign GrantedApr 23, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.