Decode Morse code from microphone input. Practice sending codes and check accuracy. Adjust signal strength and speed for better decoding. Sync with 5-10 characters for accurate timing.
by koji kamogawa★ 5.06 ratingsEducationFreeData updated 2026-09-06
Decode numbers by searching for their meanings. Track repeating numbers and analyze their patterns. Use guided journaling prompts to reflect and manifest positive energy.
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.
Allows users to calibrate piano sound by clicking an open string and adjusting with their instrument. It displays pitch for individual strings, indicating signal high or low. Includes tuning modes like Standard, 5th Suite, and Zoltán Kodály.
