Black Cat Systems Published Applications :

Do you want to get your weather charts without using an internet connection or a dedicated computer? HF Weather Fax lets you receive marine weather radiofascimile transmissions on your iPad, using...
Concerned about nuclear radiation levels, due to fallout from damaged nuclear reactors, nuclear tests, or other events?

Radiation Map Tracker connects to our extensive network of...
Shortwave Broadcast Schedules was removed
If you’re a pilot, you often need to make lots of weather related calculations. Now there’s an easy solution, as close as your iPhone.

Weather Calc performs the following weather relation...
Want to monitor PSK31 transmissions, without using a bulky computer? PSK31 lets you view ham radio PSK31 on your iPad. Just set your iPad next to your radio, tune in a PSK31 frequency, and watch...
Want to display or send SSTV transmissions, without using a bulky computer? SSTV Pad lets you decode and display Ham (Amateur) Radio SSTV (Slow Scan TV) transmissions. Just connect your device to...
NAVTEX Pad lets you view NAVTEX and Radio Teletype (RTTY) marine weather transmissions on your iPhone, iPod Touch, or iPad. Just set it near a radio (or for better quality decoding, connect a cable...
RFLinkCalc is a numerical calculation tool for radio engineers. It models the characteristics of an RF link, including Wireless Internet (WiFi) links. You can compute the maximum distance, required...
Spectrum Pad turns your iPad, iPhone, or iPod Touch into an audio spectrum analyzer. Frequencies up to 20 kHz can be displayed.

You can control the displayed frequency span, as well as the...
Transmission Line Calc allows you to perform several calculations related to RF transmission Lines.

After selecting from one of 47 different transmission lines, you specify the length and...
Field Strength Calc helps you determine the received strength of a transmitted signal.

Enter in the transmitter power, antenna gains, distance, and frequency, and the following are...
iFunctionGenerator turns your iPhone, iPad, or iPod Touch into an audio function generator.

You can have up to 20 generators, each operating at a different frequency. Each generator can be...
Looking for a way to play sound clips at a theater or sporting events, as a DJ, or at other events? Don’t want to lug a computer around with you? With Sound Byte, the so-called "cart machine" used...
Want to monitor morse code transmissions, without using a bulky computer? Morse Pad lets you decode morse code on your iPad, iPhone, or iPod Touch. Just set your device near a radio, tune in a...
iUnit is a powerful yet easy to use unit conversion app. You can convert between 1650 different units in 57 categories quickly and easily.

Unit converts between the following types of...
Packet Pad lets you view Packet Radio transmissions on your iPad, iPhone and iPod Touch. Just set it next to your radio, tune in a Packet frequency, and watch the decodes. Or for even better...
Atoms To Go is a periodic table of the elements app. In addition to the usual information found in such programs, it also contains a wealth of nuclear information on each isotope, including half...
Want to display ALE transissions, without using a bulky computer?

With this app, you can decode Automatic link establishment (ALE) MIL-STD-188-141B transmissions. ALE is the standard for...
Need to find the right bit size for a hole? Drill Calc calculates the correct drill bit size to use for threaded holes, based on the bolt (tap) diameter and thread pitch and percentage, for both...
Do you need to sweep audio tones, but don’t want to lug a function generator around with you? iSweep turns your iPhone or iPod Touch into an audio sweep generator.

You can control the...
Need to quickly convert between various RF signal measurement units? dB Calc performs lots of decibel related conversions:

Decibel / Neper / Ratio Conversions:
Enter in either the...
Need to compute the electrical resistance or voltage drop of a wire or cable? Now there’s no need to carry lookup tables with you, and calculate values by hand, because WireCalc does all this for...
Getting read to take your ham radio exam? Elmer will help you study for your amateur radio exams, and improve your chances of passing.

Elmer covers all elements, and prepares actual...
Getting read to take your ham radio exam? Elmer will help you study for your amateur radio exams, and improve your chances of passing.

Elmer covers all elements, and prepares actual...
Getting read to take your ham radio exam? Elmer will help you study for your amateur radio exams, and improve your chances of passing.

Elmer covers all elements, and prepares actual...