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.
Showing 181–200 of 1,000 ranked alternatives.
Janus Pedersen
Record audio, analyze signals, log sessions
Record audio and analyze ambient sounds for paranormal activity. Adjust sweeping speed between 100 ms and 300 ms. Use built-in frequency generators for FM and AM scans. Access a word engine for automated voice recognition.
Janus Pedersen
Sweep frequencies and detect signals
A for paranormal investigation. nd sweep random MHz frequencies. Monitor audio output and detect anomalies. Save and review recordings. Share findings with others. Connect to external hardware for advanced analysis.
PAO APPS PTE. LTD.
Clean speakers with frequency testing
Generates tones between 0 Hz and 25 kHz to remove dust and from speakers. Users can manually set frequencies and adjust cleaning duration. It tests performance and clears debris for improved audio quality.
Marina Polyanskaya
Analyze and visualize frequency
Analyze in real time with octave band and FFT measurements. Visualize frequency spectra and measure sound levels. Export data and compare measurements across sessions.
杨 张
Search guns by type and caliber
Access detailed information on handguns including manufacturer data, technical specifications, and market pricing. Search by caliber, type, or manufacturer. View gun dimensions, ballistics, and cartridge details.
Vasilii Dmitriev
Prepare for and take exams
Prepare for amateur exams with practice tests and training mode featuring prompts for all possible questions. Review categories and track progress. Take simulated exams to knowledge. Share results and access study materials for preparation.
Maxim Novikov
Block unwanted calls and texts
Block unwanted calls by automatically identifying and blocking , , fraud, and robocalls. Prevent calls from unknown numbers. Do not access contact list.
charles coupe
Create custom keyboards and share them
Create custom keyboards with personal designs. Access 12 instant keyboards and phrases with a single tap. Arrange numbers with associated punctuation. Input fractions from ⅛ to ⅞. Use single punctuation keys without shifting.
Chirag Gabani
Add to clips
Add stamps to pre-recorded videos with options for date, timestamp, signature, and watermark. Include GPS geolocation tags. Apply settings once for batch processing. Edit videos with a clear interface and save modified clips.
Kristopher Linquist
Spot locations and track your journey
Find nearby parks or summits using location data. Enter your callsign and frequency to send spotting messages via SMS over satellite. View maps with points of interest. Track POTA and SOTA activities . Share spotting reports directly.
Avni Sagiroglu
Look up and IP information
Lookup and IP information with WHOIS. Access over 1000 extensions including new ones like .actor and .clinic. Query classic and new TLDs. Support for ARIN, RIPE, APNIC, LACNIC, AFRINIC, and referral servers. Automatically select whois servers.
Ronald Nicholson
Decode audio signals into text
Decode Morse code audio into text using microphone or headset input. Automatically translate signals or manually adjust settings for weak signals. Control filter frequency, WPM speed, and background noise threshold.
IODEMA SRL
Lookup resistor values and color codes
Allows users to calculate resistor values using color codes and SMD codes. It includes tools for Ohm's Law, reactance, resonance, and voltage dividers. Users can determine resistor ratios, series/parallel combinations, and LED resistor needs.
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