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K4QQK

Cancelled1x3District 4

No competing applications on record.

License HolderMAHRENHOLZ, BOB G

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationTULLAHOMA, TN

Grant DateAug 10, 2016

Cancellation DateFeb 2, 2026

Available for ApplicationsFeb 3, 2028

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K4QQK

Cancelled1x3District 4

No competing applications on record.

License HolderMAHRENHOLZ, BOB G

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationTULLAHOMA, TN

Grant DateAug 10, 2016

Cancellation DateFeb 2, 2026

Available for ApplicationsFeb 3, 2028

K4QQK is a 1x3 format amateur radio callsign. It is currently registered to MAHRENHOLZ, BOB G in TULLAHOMA, TN. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

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

CW Weight: 41 units(Heavy (slower to send))

Voice Phonetics

Kilo Four Quebec Quebec Kilo

Readability: 8/10(High readability)

Available Feb 3, 2028 (516 days remaining)

Requires General license or higher to apply for this callsign format (1x3).

License History

Internal Correction AppliedSep 3, 2026
Internal Correction AppliedSep 3, 2026
Authorization PrintedAug 12, 2016
Internal Duplicate RequestedAug 11, 2016
License RenewedAug 10, 2016
License RenewedSep 29, 2006
License ModifiedJun 7, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4QQG K4QQL →

FCC data as of Sep 4, 2026

Is K4QQK Available? FCC Vanity Status & Watchlist