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N4SLP

Active1x3District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderDOTY, MARK W

License ClassAdvanced

Min. Class RequiredGeneral

LocationSEQUIM, WA

Grant DateJun 28, 2021

Expiration DateAug 26, 2031

N4SLP is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by DOTY, MARK W in SEQUIM, WA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by PEGRAM JR, JOSEPH L on Nov 12, 2015. N4SLP has 8 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 28 units(Light (fast to send))

Voice Phonetics

November Four Sierra Lima Papa

Readability: 7/10(Good readability)

License History

License RenewedJun 28, 2021
License IssuedAug 26, 2011
Vanity Callsign GrantedAug 26, 2011
Internal Correction AppliedAug 5, 2011
Internal Correction AppliedAug 5, 2011
Vanity Callsign GrantedOct 6, 2007
License IssuedOct 6, 2007
License ExpiredMar 30, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

PEGRAM JR, JOSEPH LFiled Nov 12, 2015
Not awardedFCC ↗
ROCKINGHAM COUNTY AMATEUR RADIO EDUCATION CLUBFiled Aug 8, 2011
Not awardedFCC ↗
PATTERSON, PATRICIA JFiled Sep 18, 2007
Not awardedFCC ↗
Carrillo, UlisesFiled Apr 13, 2004

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← N4SLO N4SLR →

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

Not awardedFCC ↗

PEAK, SCOTT LFiled Apr 13, 2004

Not awardedFCC ↗

N4SLP FCC Vanity Status: 5 Competing Applications & History