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N4OSA

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderPELKEY, WILLIAM H

License ClassGeneral

Min. Class RequiredGeneral

LocationMUNNSVILLE, NY

Grant DateJul 28, 2026

Expiration DateJul 28, 2036

N4OSA is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by PELKEY, WILLIAM H in MUNNSVILLE, NY. 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 Saleh, Mohamed on Jul 9, 2026. N4OSA has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 27 units(Light (fast to send))

Voice Phonetics

November Four Oscar Sierra Alpha

Readability: 7/10(Good readability)

License History

License IssuedJul 28, 2026
Vanity Callsign GrantedJul 28, 2026
License ExpiredJul 24, 2018
License RenewedJul 22, 2006
FRN Association Letter SentJul 22, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Saleh, MohamedFiled Jul 9, 2026
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 12, 2026 — may be delayed

N4OSA FCC Vanity Status: 1 Competing Application & History