Black Cat Systems

Godafoss Audio Spectrum Waterfall QRSS CW FSKCW

App $2.99

• Version: 1.1
• Size: 1.27 MB
• Recorded catalog date: 2017-05-08
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.Godafoss

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76477 Complex Sound Synth

App $2.99

• Version: 2.0
• Size: 3.61 MB
• Recorded catalog date: 2025-08-12
• Min iOS: 12.0
• Bundle ID: com.blackcatsystems.Sim76477

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Feld Hellschreiber

App $2.99

• Version: 1.2
• Size: 3.92 MB
• Recorded catalog date: 2017-05-08
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.FeldHellschreiber

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Selcall Selective Calling Tone

App $2.99

• Version: 2.0
• Size: 1.52 MB
• Recorded catalog date: 2024-12-22
• Min iOS: 12.0
• Bundle ID: com.blackcatsystems.Selcall

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DX Toolbox

App $3.99

• Version: 1.5
• Size: 1.99 MB
• Recorded catalog date: 2017-05-24
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.DXToolBox

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Shortwave Broadcast Schedules

App $3.99

• Version: 1.6
• Size: 2.45 MB
• Recorded catalog date: 2017-01-11
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.SWBCsked

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Radiation Map Tracker displays worldwide radiation

App $0.99

• Version: 1.3
• Size: 1.45 MB
• Recorded catalog date: 2017-07-02
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.RadTracker

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Sound Byte Cart Machine App

App $5.99

• Version: 2.2
• Size: 3.46 MB
• Recorded catalog date: 2022-07-20
• Min iOS: 9.0
• Bundle ID: com.blackcatsystems.SoundBytePad

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HF Weather Fax

App $3.99

• Version: 1.6
• Size: 2.22 MB
• Recorded catalog date: 2017-05-08
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.HFFAX

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SSTV Slow Scan TV

App $3.99

• Version: 2.0
• Size: 1.58 MB
• Recorded catalog date: 2017-01-10
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.SSTVApp

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ACARS

App $2.99

• Version: 1.4
• Size: 1.68 MB
• Recorded catalog date: 2016-01-07
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.AcarsPad

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Morse Pad

App $2.99

• Version: 1.4
• Size: 1.29 MB
• Recorded catalog date: 2016-12-22
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.MorsePad

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PSK31

App $2.99

• Version: 1.3
• Size: 1.47 MB
• Recorded catalog date: 2016-01-04
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.psk31pad

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Packet Pad

App $2.99

• Version: 1.6
• Size: 2.27 MB
• Recorded catalog date: 2024-12-04
• Min iOS: 12.0
• Bundle ID: com.blackcatsystems.packetPad

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NAVTEX Pad

App $2.99

• Version: 2.0
• Size: 2.81 MB
• Recorded catalog date: 2022-07-03
• Min iOS: 9.0
• Bundle ID: com.blackcatsystems.NAVTEXPad

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Audio Spectrum Analyzer

App $3.99

• Version: 1.5
• Size: 1.19 MB
• Recorded catalog date: 2017-04-26
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.spectrumPad

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Remote Control For Sound Byte Cart Machine Program

App Free

• Version: 2.2
• Size: 1.06 MB
• Recorded catalog date: 2017-08-21
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.SoundByteController

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Morse Mania

App $2.99

• Version: 1.3
• Size: 3.78 MB
• Recorded catalog date: 2017-06-23
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.MorseMania

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Atoms To Go Table of Elements

App $2.99

• Version: 3.0
• Size: 3.38 MB
• Recorded catalog date: 2025-07-28
• Min iOS: 9.0
• Bundle ID: com.blackcatsystems.Atoms-To-Go

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iSoundex

App $0.99

• Version: 3.0
• Size: 1.17 MB
• Recorded catalog date: 2025-07-28
• Min iOS: 12.0
• Bundle ID: com.blackcatsystems.iSOUNDEX

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Weather Calc

App $0.99

• Version: 3.0
• Size: 4.16 MB
• Recorded catalog date: 2025-07-28
• Min iOS: 15.6
• Bundle ID: com.blackcatsystems.WeatherCalc

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iAttenuation

App $2.99

• Version: 4.0
• Size: 1.12 MB
• Recorded catalog date: 2025-06-25
• Min iOS: 15.6
• Bundle ID: com.blackcatsystems.iAttenuate

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iUnit Measurement Conversion

App $2.99

• Version: 3.0
• Size: 1.68 MB
• Recorded catalog date: 2025-07-28
• Min iOS: 9.0
• Bundle ID: com.blackcatsystems.iUnit

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iFunctionGenerator

App $2.99

• Version: 2.5
• Size: 1.28 MB
• Recorded catalog date: 2017-07-02
• Min iOS: 6.0
• Bundle ID: com.blackcatsystems.iFunGen

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Photon Calc

App $2.99

• Version: 1.2
• Size: 849.0 KB
• Recorded catalog date: 2024-01-25
• Min iOS: 12.0
• Bundle ID: com.blackcatsystems.PhotonCalc

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Drill Calc

App $2.99

• Version: 2.5
• Size: 5.03 MB
• Recorded catalog date: 2024-11-22
• Min iOS: 12.0
• Bundle ID: com.blackcatsystems.DrillCalc

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dB Calc

App $0.99

• Version: 3.0
• Size: 1.12 MB
• Recorded catalog date: 2025-07-09
• Min iOS: 15.6
• Bundle ID: com.blackcatsystems.dbCalc

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RF Link Calc

App $2.99

• Version: 3.0
• Size: 3.92 MB
• Recorded catalog date: 2025-07-28
• Min iOS: 9.0
• Bundle ID: com.blackcatsystems.RFCalc

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Transmission Line Calc

App $2.99

• Version: 2.0
• Size: 2.64 MB
• Recorded catalog date: 2022-06-05
• Min iOS: 9.0
• Bundle ID: com.blackcatsystems.LineCalc

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