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W4DMC

Active1x3District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderCHOJNACKI, DAVID M

License ClassGeneral

Min. Class RequiredGeneral

LocationColumbia, SC

Grant DateJul 28, 2022

Expiration DateJul 28, 2032

W4DMC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by CHOJNACKI, DAVID M in Columbia, SC. 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 CHOJNACKI, DAVID M on Jul 9, 2012. W4DMC has 9 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Whiskey Four Delta Mike Charlie

Readability: 8.5/10(High readability)

License History

License RenewedJul 28, 2022
Administrative Update AppliedJul 9, 2015
License IssuedJul 27, 2012
Vanity Callsign GrantedJul 27, 2012
License ExpiredJul 10, 2012
Administrative Update AppliedAug 7, 2008
Administrative Update AppliedJul 14, 2006
Administrative Update AppliedNov 3, 2003
License IssuedJul 8, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

CHOJNACKI, DAVID MFiled Jul 9, 2012
Not awardedFCC ↗
CASSTEVENS, DAVID MFiled Aug 30, 2011
Not awardedFCC ↗
CHRISSMAN, DOUGLAS MFiled Mar 28, 2011
Not awardedFCC ↗
McConaughy, DANIEL TFiled Jun 8, 2000

Search external databases

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Explore nearby callsigns

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FCC data as of Sep 3, 2026

Not awarded

MC LAIN, DANNY SFiled Jun 8, 2000

Not awardedFCC ↗

W4DMC FCC Vanity Status: 5 Competing Applications & History