Black Cat Systems

• Someone has hijacked the grocery delivery van and is dropping food off a bridge. Your job is to ca

Want to display ACARS transmissions, without using a bulky computer? ACARS lets you view ACARS aircr

Hellschreiber is a teleprinter system, developed in the 1920s, that transmits text via sound, much l

NAVTEX Pad lets you view NAVTEX and Radio Teletype (RTTY) marine weather transmissions on your iPhon

Packet Pad lets you view Packet Radio transmissions on your iPad, iPhone and iPod Touch. Just set it

Concerned about nuclear radiation levels, due to fallout from damaged nuclear reactors, nuclear test

Spectrum Pad turns your iPad, iPhone, or iPod Touch into an audio spectrum analyzer. Frequencies up

Godafoss displays a waterfall of the audio spectrum, letting you view QRSS CW, DFCW, FSKCW, and othe

Sound Byte Control lets you control a copy of Sound Byte running on a remote computer from your iPad

Atoms To Go is your go to source for chemical and nuclear data on the elements, much like a periodic