Showing 41–60 of 1,000 ranked alternatives.
Mark Turner
Locate your position on the grid
Displays the Maidenhead Locator grid for your current location. Shows coordinates and grid information. Allows users to input custom locations for manual lookup. Provides a reference for radio amateurs to communicate positions efficiently.
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.
Pignology, LLC
Amateur radio logging and tools.
The app provides amateur radio logging and tools for portable or mobile operation. It offers contact logging, rig control, and various data integrations for radio enthusiasts.
Roy Watson
Practice questions and track progress
Review official Class FCC questions and answers. Take quizzes by topic and full practice exams. Track performance and progress over time. Study for the license with structured practice and feedback.
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.
Marcus Roskosch
Monitor real-time amateur radio activity
Access real-time data for amateur radio frequencies. Filter by frequency, mode, call prefix, country, or ITU zone. View contacts and activity on a map. Receive alerts for new contacts. Share data via email or social media.
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.
Claudio Cordeglio
Log calls, export data, track DX clusters
Track amateur radio activities with callsign lookup and real-time uploads to HRDLOG.net or Ham365. Export logs in ADIF, EDI, CSV, or Cabrillo formats. Access DX cluster and plan DX-peditions.
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