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The world’s most intelligent authentication. Introducing a new era in passive authentication, fraud prevention and intelligence. We make digital identity simple and more secure.
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Call sign. In broadcasting and radio communications, a call sign (also known as a call name or call letters —and historically as a call signal —or abbreviated as a call) is a unique identifier for a transmitter station. A call sign can be formally assigned by a government agency, informally adopted by individuals or organizations, or even ...
QRZ.com is a website for amateur radio enthusiasts to look up callsigns, access solar-terrestrial data, read articles and watch videos on ham radio topics. Find online swapmeet, trivia, magazine, interview and news sections on QRZ.com.
Callsign es una palabra en inglés compuesta por call (llamada) y sign (signo). Es usada en la radiocomunicación para designar a uno de sus participantes y puede referirse a: El indicativo de una aerolínea usado durante una transmisión radial para referirse a ella; El indicativo de un radioaficionado;
HamCall.net provides callsign searches, DX spots, band activity, ham news, and more for amateur radio operators worldwide. Enter a callsign to find QSL cards, station photos, maps, and other information.
Callsign is changing that. We’re helping businesses build their online journeys around the individuals and their identities in a positive and proactive way – using their unique characteristics to make their digital lives smoother whilst preserving trust and respecting privacy.
Callsign is a company that provides AI-based user recognition for the digital world. It offers products and services for multi-factor authentication, fraud prevention, account takeover protection, and more.
