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KA3REX

Available2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderDera, Thaddeus M

License ClassTechnician

Min. Class RequiredTechnician

LocationCharleroi, PA

Grant DateFeb 3, 1997

Expiration DateFeb 3, 2007

Cancellation DateFeb 4, 2009

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KA3REX

Available2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderDera, Thaddeus M

License ClassTechnician

Min. Class RequiredTechnician

LocationCharleroi, PA

Grant DateFeb 3, 1997

Expiration DateFeb 3, 2007

Cancellation DateFeb 4, 2009

Available for ApplicationsFeb 4, 2009

KA3REX is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Dera, Thaddeus M in Charleroi, PA. 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 JOHNSON, REX O on Mar 18, 2016. KA3REX has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

Kilo Alpha Three Romeo Echo X-ray

Readability: 7/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredFeb 4, 2009
License ModifiedMay 24, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

JOHNSON, REX OFiled Mar 18, 2016
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

KA3REX FCC Vanity Status: 1 Competing Application & History