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K1OPK

Active1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderRosenbloom, Barry

License ClassGeneral

Min. Class RequiredGeneral

LocationHopkinton, MA

Grant DateMay 28, 2021

Expiration DateMay 28, 2031

K1OPK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Rosenbloom, Barry in Hopkinton, MA. 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 Rosenbloom, Barry on May 10, 2021. K1OPK has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 44 units(Heavy (slower to send))

Voice Phonetics

Kilo One Oscar Papa Kilo

Readability: 8/10(High readability)

License History

License IssuedMay 28, 2021
Vanity Callsign GrantedMay 28, 2021

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Rosenbloom, BarryFiled May 10, 2021
Not awardedFCC ↗

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Explore nearby callsigns

← K1OPE K1OPP →

FCC data as of Sep 4, 2026

K1OPK FCC Vanity Status: 1 Competing Application & History