Calculate length with a tap
Calculate lengths for 1/4 Wave ground plane, 5/8 Wave Verticals, Dipole, and Inverted Vee types. Input desired TX or RX frequency to determine resonant wire length. Adjust for close resonance without an ATU.
Showing 1–20 of 1,000 ranked alternatives.
State Road 41 Apps LLC
Calculate antenna lengths in feet or metric
Calculate antenna lengths for dipoles, inverted vee, and vertical antennas in feet/inches or metric. Input frequency and select antenna type to get starting length. View 1/8, 1/4, 1/2, 5/8, and full wave options.
Siu Yuen Ho
Calculate, measure, and test components
Calculate component values for desired corner frequency, resistance, capacitance, or inductance. Find combinations of resistors, capacitors, and inductors. View detailed calculations and formulas. Export results. Remove ads with PRO version.
Audio-Technica Corporation
Generate RTA measurements and SPL readings
Tools for professionals include real-time analysis with SPL display, tone and noise generation, wavelength calculation, UHF frequency reference, antenna line loss assessment, microphone gain calculation, and recording/playback of test signals.
Verosocial Studio
Calculate locations and dimensions
Calculate Maidenhead locations and HF dimensions. Input frequency and select elements to determine reflector, driven element, director, and spacing sizes in feet, inches, and meters. Convert area measurements between square inches and square feet.
Impala Studios B.V.
Calculate, edit, and track results
Calculator provides basic and scientific calculation functions. Users can access a history of past calculations for review or reuse. It includes a live currency converter for exchange rate checks.
Tim O's Studios, LLC
Calculate with large buttons and clear display
A calculator with large buttons and a clear display for efficient calculations. Supports basic arithmetic operations. Includes a Retina Display for improved visibility.
Keysight Technologies, Inc
Calculate measurement errors
Calculate measurement errors using directivity and mismatch error tools. Convert ratios to decibels. Compute noise figures and antenna parameters. Input values and retrieve calculated results.
Christie Clark
Calculate with large buttons and clear display
A calculator with a clear display and large buttons supports functions. Switch between portrait and landscape modes on iPad. Perform simple calculations without additional features.
Tactacam LLC
View live feeds, record footage, and store
View and manage security camera footage remotely. Request on-demand photos and videos. Adjust camera settings and access galleries. Receive real-time updates and notifications. Monitor 24/7 without requiring Wi-Fi or electricity.
VonBruno LLC
Clean speakers with precise control
Clean iPhone speakers by generating a sine wave . Adjust frequency with swipe gestures. Control intensity for effective moisture removal. Perform cleaning sessions to restore speaker clarity.
The App Tower Inc.
Calculate with 80 themes to choose
A with customizable themes allows users to select from multiple visual styles. Perform basic and advanced calculations. Switch between light and dark modes. Adjust font size and color schemes.
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