Sensor Play vs HAMSignal

Sensor Play - the iPhone Sensor Playground, and the best app for serious scientific research and data recording. Used by engineers, scientists, teachers, and enthusiasts all around the world. The sensors built into all iPhones are amazing examples of the power in your pocket. To have a GPS receiver, an accelerometer, a gyroscope, even a Barometer with you at all times is a marvel of miniature engineering. It's simply fun to see the output from all these sensors, play with each interactively, or just view the raw data. Record Accelerometer, Gyroscope, GPS, Barometer, Magnetometer sensor data and share by email for further analysis, or review using the in app viewer. However Sensor Play is not just a toy. Beyond the obvious fun of watching the accelerometer and gyroscope graphs bounce around you can now record multi-sensor data all at the same time, even in the background, for a full external analysis of your, or your iPhone's, motion through time and space however you so desire. And now with Automation you can trigger your recordings to start either after a simple delay, when you enter or leave a preset GPS Region, or when the iPhone is nudged above a selected gForce. Then end your recordings either after a set duration, or when you enter or leave a preset GPS Region. Automation makes getting the data you want so much easier, and eliminates lots of unnecessary recorded data. Set up the triggers as required, close the phone and go. Set and Forget! Later when you open SensorPlay the data you were after will have been automatically recorded and saved for you. The following data is recorded to a csv file for sharing through the standard iPhone share sheet. Timestamp Accelerometer: X, Y, Z Gyroscope: X, Y, Z Attitude: Roll, Pitch, Yaw Location: Longitude, Latitude, Speed, TrueHeading, Altitude Motion Activity: Type & Confidence Barometer: Pressure, Relative Altitude Magnetometer: µT X, Y, Z, calibrated x,y,z, rotation matrix, and quaternion Visual graphs of sensor recordings in one place, as long as they're not too large anyway. Background mode is supported for all recordings, accelerometer, gyro, and multi-sensor export, lock your screen and keep recording all sensor data for up to six hours. A serious engineering, scientific, and educational analysis tool. Sharing of all recordings is now through the built in share options which includes, Airdrop, mail, message, notes, dropbox (if installed), etc. Sensors currently supported: Barometer (iPhone 6 and above only) - see the atmospheric pressure in a choice of 7 units, see your relative altitude plotted over time. - Widget available to display the atmospheric pressure in the notification centre. Accelerometer - See the g-forces on the X,Y,Z axis and see them traced over time. - Widget available to show gMax in X,Y,Z axis on notification screen. - Record the data and share for further analysis Gyroscope - Watch the rate of rotation over the X,Y,Z axis plotted over time. - Record the data and share for further analysis GPS/Location Services - See your exact location mapped on screen and share your Lat/Long coordinates by text or email. Magnetometer/Compass - See the magnetic field acting on the X, Y, Z, axis along with an interactive compass. 3D/Force Touch (6S ->11 only) Note: Continued use of GPS running in the background can dramatically decrease battery life.

Know when a band opens from where you are. HAMSignal watches live NOAA solar data and tells you when HF conditions improve at your QTH — not just when a storm hits. Set your callsign and grid once, and your phone (or Apple Watch) buzzes when 10m, 15m, or 20m opens. BAND-OPENING ALERTS • Push notification when a band opens from your grid square, day or night • Based on live SFI, K-index, and A-index, with a day/night model per band • Especially useful on 10m for Technician licensees, and more valuable as Solar Cycle 25 declines and openings get rarer LIVE CONDITIONS • All HF bands rated open, fair, or closed for day and night at your location • SFI, K-index, A-index, X-ray flux, and solar wind from NOAA SWPC • 27-day NOAA forecast and historical trends • Grey line / terminator map with your local sunrise and sunset • Point-to-point path predictor with MUF/LUF and best band WHAT CAN I WORK RIGHT NOW? (US) • Pick your license class and see which bands are open AND legal for you, with exact frequencies, modes and power limits • Built for new Technicians: see that 10m is open and exactly where you can use SSB, CW and FT8 • Based on the current FCC rules, with the rule cited on each row AM I BEING HEARD? • See which stations received your signal in the last hour, by band and mode, with signal reports and distance • Uses public PSK Reporter reports for your callsign (FT8, FT4, WSPR, JS8, CW skimmers) OPERATE • DX cluster spots and PSK Reporter activity • POTA self-spotting that queues offline and sends when you get signal, plus an SMS fallback • POTA and SOTA park and summit lookup • Amateur satellite passes (ISS, SO-50, RS-44, IO-117, and more) with correct up/down frequencies • APRS stations near you and nearby repeaters • Offline QSO logbook with ADIF import POCKET TOOLS • Maidenhead converter, distance and bearing, UTC clock • Antenna length, coax loss, stub matching, Yagi designer, power/dB • Band plan, Q-codes, phonetics, Morse reference APPLE WATCH • Glanceable K-index, SFI, and best band • Complications for your watch face HAMSIGNAL PRO (one-time purchase, no subscription) • Unlimited band-opening alert rules (free includes one) • DX spot alerts and sked alerts • Contest Mode dashboard • ADIF and Cabrillo export, Field Day auto-export • DXCC and WAS award tracking Already bought HAMSignal? You have Pro automatically. Tap Restore in Settings if it doesn't show. No account. No ads. No subscription. Your log stays on your device. Requires iOS 17 or later. Apple Watch app requires watchOS 10 or later.