Showing 1–20 of 1,000 ranked alternatives.
Matthew Miller
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.
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.
V PUGAZHENTHI
Calculate voltage, current, and resistance
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.
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.
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.
V PUGAZHENTHI
Calculate values instantly
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
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.
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.
Adafruit Industries LLC
Calculate component values and resistor codes
Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.