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/K4RCX

← Back to results

K4RCX

Active1x3District 4

Competitive callsign — 4 applications filed with the FCC.

License HolderMCADAMS, SANDRA E

License ClassGeneral

Min. Class RequiredGeneral

LocationMERCED, CA

Grant DateOct 4, 2024

Expiration DateOct 4, 2034

K4RCX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MCADAMS, SANDRA E in MERCED, CA. 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 COLEMAN, RUSSELL W on Sep 16, 2024. K4RCX has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Four Romeo Charlie X-ray

Readability: 7.5/10(High readability)

License History

License IssuedOct 4, 2024
Vanity Callsign GrantedOct 4, 2024
License ExpiredMar 28, 2017
License RenewedJan 10, 2005

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

COLEMAN, RUSSELL WFiled Sep 16, 2024
Not awardedFCC ↗
Barry, Greg EFiled Jun 27, 2022
Not awardedFCC ↗
Cannon 681, Randy JFiled Oct 14, 2021
Not awardedFCC ↗
CLEARY, RYAN BFiled Mar 18, 2019

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4RCW K4RCY →

FCC data as of Sep 3, 2026

Not awarded

K4RCX FCC Vanity Status: 4 Competing Applications & History