CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/K4KH

← Back to results

K4KH

Active1x2District 4

Competitive callsign — 4 applications filed with the FCC.

License HolderRyan, Thomas P

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationBabson Park, FL

Grant DateMay 22, 2020

Expiration DateJun 22, 2030

K4KH is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Ryan, Thomas P in Babson Park, FL. 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 Heinz, Kenneth P on Dec 26, 2018. K4KH has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 25 units(Light (fast to send))

Voice Phonetics

Kilo Four Kilo Hotel

Readability: 8.5/10(High readability)

License History

License RenewedMay 22, 2020
Administrative Update AppliedJan 9, 2020
License IssuedJun 22, 2010
Vanity Callsign GrantedJun 22, 2010
Internal Correction AppliedJun 7, 2010
Internal Correction AppliedJun 7, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Heinz, Kenneth PFiled Dec 26, 2018
Not awardedFCC ↗
Holton, Kenneth WFiled Jul 10, 2014
DismissedFCC ↗
HAHN, STEPHEN DFiled Feb 20, 2014
DismissedFCC ↗
Ryan, Thomas PFiled Jun 4, 2010

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4KG K4KI →

FCC data as of Sep 3, 2026

Not awarded

K4KH FCC Vanity Status: 4 Competing Applications & History