Black Cat Systems

Selcall Selective Calling Tone Generator

Paid

SelCall generates Selective Calling Tones. Select your tone type from the extensive selection of available modes, then touch the button for each...

Graph Paper Maker

Trial version

Create & print custom sheets of graph paper.

Radiation Map Tracker displays worldwide radiation

Paid

Concerned about nuclear radiation levels, due to fallout from damaged nuclear reactors, nuclear tests, or other events?

Morse Pad

Paid

Want to monitor morse code transmissions, without using a bulky computer?

Function Generator Pad

Paid

Function Generator Pad turns your iPad into an audio function generator and an audio sweep generator.You can have up to 13 generators, each...

RF Toolbox

Paid

Determines ham radio antenna design parameters

Graffikon (Classic)

Paid

create custom pdf files, containing text & shapes

Sound Byte

Trial version

Setup a sound effects and radio station cart machine.

BCSIcom

Free

control icom ham radios

DX Toolbox

Paid

Are you a ham radio operator or shortwave listener, in need of up to date propagation information and solar conditions?

Packet Pad

Paid

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...

Selcall Tone Generator

Paid

Generate selective calling tones.

Black Cat ACARS

Trial version

Tune your VHF radio or scanner to an ACARS frequency.

MatchMaker

Trial version

Find the optimum match for your antenna and radio.

SelCall

Trial version

Generate calling tones and play them as singlets or in bursts.