Black Cat Systems

Black Cat Systems offers a wide range of software products for the Macintosh platform. Areas of focus include the scientific, educational, health, and amateur radio markets.

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Selective Calling Generator
Paid
Generate selective calling tones.
Android
Label Wizard
Trial version
Create your own custom sheets of labels.
Mac
RF Toolbox
Trial version
Determine ham radio antenna design parameters.
Mac
Audio Spectrum Analyzer
Paid
Spectrum Pad turns your iPad, iPhone, or iPod Touch into an audio spectrum analyzer.
iOS
RF Link Calc
Paid
RFLinkCalc is a numerical calculation tool for radio engineers. It models the characteristics of an RF link, including Wireless Internet (WiFi)...
iOS
MatchMaker
Trial version
Find the optimum match for your antenna and radio.
Mac
SelCall
Trial version
Generate calling tones and play them as singlets or in bursts.
Mac
Graph Paper Maker
Trial version
Create & print custom sheets of graph paper.
Mac
Field Strength Calc
Paid
Field Strength Calc helps you determine the received strength of a transmitted signal.Enter in the transmitter power, antenna gains, distance, and...
iOS
Health Tracker
Paid
graphing tool tracks health-related measurements
Mac
DX ToolBox
Trial version
DX Toolbox: Your Go-To for Radio Propagation Data
Windows
Atomic PC
Trial version
The Atomic PC: Comprehensive Periodic Table for Windows
Windows
Elmer
Trial version
Master Ham Radio Exams with Elmer Practice Tests
Windows
Knitting Wizard
Trial version
Knitting Wizard: Design Custom Knitting Diagrams Effortlessly
Windows
MatchMaker
Trial version
Optimize Your Radio and Antenna Match Instantly
Windows