Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Ham Radio; DTMF Keyer/Decoder 螢幕截圖

iPad

iPhone

About Ham Radio; DTMF Keyer/Decoder

The Ham Radio; DTMF Keyer/Decoder app is a useful calculator for amateur radio enthusiast (Ham Radio). It calculates using US Statute, Nautical, and Metric units. It is versatile and flexible for your convenience.

DTMF Keyer and Decoder with settings for accuracy

Antenna Calculators

• 5/8th Wave Vertical
• Half-Wave Dipole
• Dipole & Inverted Vee
• Ground Planes
• Quad (Cubical)

Visibility & ERP & EIRP Calculators

• Horizontal Visibility
• Pure ERP and EIRP
• VSWR Loss Calculator
• EIRP Calculator for Transmitter power, Gain, and Power Loss

Area Converters

• Square Inches and Shorter Conversion
• Square Feet & Yards & Meters Conversion

Distance Converters

• Inches & Centimeters & Millimeters Conversion
• Feet & Yards & Meters Conversion
• Nautical Miles, Statue Miles and Kilometers Conversion

Volume Converters

• US/Imperial to Metric Units Conversion
• Metric to US/Imperial Units Conversion
• Inches & Centimeters Volume Conversion
• Feet, Yards, & Meters Volume Conversion

This app features:

• Send your calculations or conversions by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs
• Latest version of iOS is supported
• All iPhone screens are supported

No network connectivity required.