WB4JM
Cancelled2x2District 4
Competitive callsign — 22 applications filed with the FCC.
License HolderSanborn, George E
License ClassGeneral
Min. Class RequiredGeneral
LocationFalmouth, ME
Grant DateJun 1, 2022
Cancellation DateDec 9, 2025
Available for ApplicationsDec 10, 2027
WB4JM is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Sanborn, George E in Falmouth, ME. This callsign has attracted significant interest in the amateur radio community, with 22 vanity applications filed with the FCC. The most recent was submitted by Martin, Jeffery A on Jul 25, 2002. WB4JM has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -... ....- .--- --
CW Weight: 36 units(Moderate)
Voice Phonetics
Whiskey Bravo Four Juliet Mike
Readability: 8/10(High readability)
Available Dec 10, 2027 (518 days remaining)
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledDec 9, 2025
- Administrative Update AppliedJun 4, 2024
- License RenewedJun 1, 2022
- Administrative Update AppliedJul 14, 2021
- License RenewedMay 31, 2012
- Administrative Update AppliedJan 3, 2008
- License IssuedAug 13, 2002
- Vanity Callsign GrantedAug 13, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.