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K1TWF

Active1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderRaisbeck, Michael N

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationChelmsford, MA

Grant DateDec 29, 2017

Expiration DateMar 3, 2028

K1TWF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Raisbeck, Michael N in Chelmsford, 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 Fowler, Toby R on Nov 29, 2019. K1TWF has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo One Tango Whiskey Foxtrot

Readability: 8/10(High readability)

License History

License RenewedDec 29, 2017
License RenewedDec 10, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Fowler, Toby RFiled Nov 29, 2019
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K1TWD K1TWH →

FCC data as of Sep 4, 2026

K1TWF FCC Vanity Status: 1 Competing Application & History