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WB4JON

Active2x3District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderLINGENFELTER, ROBERT L

License ClassP

Min. Class RequiredTechnician

LocationPrescott, AZ

Grant DateDec 29, 2017

Expiration DateDec 29, 2027

WB4JON is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by LINGENFELTER, ROBERT L in Prescott, AZ. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Martin, Jonathan D on Dec 11, 2017. WB4JON has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

.-- -... ....- .--- --- -.

CW Weight: 43 units(Heavy (slower to send))

Voice Phonetics

Whiskey Bravo Four Juliet Oscar November

Readability: 6.5/10(Good readability)

License History

License IssuedDec 29, 2017
Vanity Callsign GrantedDec 29, 2017

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Martin, Jonathan DFiled Dec 11, 2017
Not awardedFCC ↗
Gonyo, F JohnFiled Mar 16, 2007
Not awardedFCC ↗
LORBER, JONATHAN MFiled May 12, 2003
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

WB4JON FCC Vanity Status: 3 Competing Applications & History