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W4BTF

Active1x3District 4

Competitive callsign — 4 applications filed with the FCC.

License HolderTURNBILL, JOHN A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationHARRIMAN, TN

Grant DateJun 17, 2026

Expiration DateSep 7, 2036

W4BTF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by TURNBILL, JOHN A in HARRIMAN, TN. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Spear, Milford R on Dec 7, 2020. W4BTF has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 29 units(Light (fast to send))

Voice Phonetics

Whiskey Four Bravo Tango Foxtrot

Readability: 8/10(High readability)

License History

License RenewedJun 17, 2026
Administrative Update AppliedJan 8, 2026
License IssuedSep 7, 2016
Vanity Callsign GrantedSep 7, 2016
License ExpiredDec 18, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Spear, Milford RFiled Dec 7, 2020
Not awardedFCC ↗
TURNBILL, JOHN AFiled Aug 19, 2016
Not awardedFCC ↗
BARNES, SID TFiled Oct 24, 2000
DismissedFCC ↗
Hines, Charles RFiled Oct 24, 2000

Search external databases

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FCC data as of Sep 3, 2026

Dismissed

W4BTF FCC Vanity Status: 4 Competing Applications & History