73 by N0AGI vs CloudSatellite

73 is the fastest way to look up any FCC-licensed amateur radio call sign — right from your pocket. SEARCH & FILTER - Search by call sign or operator name - Filter by license class, status, state, and city - Full FCC record: name, city/state, class, status, dates, previous call signs, FRN - Recent searches remembered for quick re-lookup FAVORITES - Save any call sign to your Favorites list - Stored locally — works offline - Filter, search, and multi-select your saved list CALL SIGN DETAIL - QR code for quick sharing - One-tap share sheet - Direct link to call.n0agi.com record THEMES 14 hand-crafted themes to match your shack: Dark: Midnight, Solar, Matrix, Neon, Gaming, Ocean, Forest, Sandstone, Arctic, Spectrum Light: Daylight, Sand, Sage, Plum PRIVACY FIRST No account. No ads. No tracking. Your data never leaves your device. Powered by the FCC Universal Licensing System. UNLOCK 20-day free trial with full access. One-time $2.99 — no subscription, ever. 73 de N0AGI

CloudSatellite brings satellite pass predictions, live tracking, antenna rotator control, radio frequency coordination and audio decoding together for satellite observers and amateur radio operators. SATELLITE LOOKUP AND PASS PREDICTIONS Find satellites by name or NORAD ID and view orbital information and amateur radio frequencies. Predict pass times, duration, azimuth and maximum elevation for your observing location. LIVE POSITIONS AND TRACKING Use the orbit map and sky view to follow satellite positions, paths and directions relative to your location. ROTATOR AND RADIO CONTROL Connect compatible antenna rotators, amateur radio transceivers or SDR devices for manual control and automatic tracking. Coordinate uplink and downlink frequencies and compensate for Doppler shift as the satellite moves. NEW: CUSTOM EPHEMERIS Import TLE and OMM JSON orbital data and manage custom ephemeris for satellite lookup, position calculations and tracking plans. NEW: SSDV AUDIO DECODING Receive live audio or process audio files to decode supported SSDV signals and reconstruct images for viewing and further processing. AUDIO AND SIGNAL TOOLS On supported devices and connections, view audio spectra and waterfall displays, record audio, and send, receive and manage SSTV images. PERSONAL SETTINGS Save favorite satellites and customize observing locations and prediction ranges. Available in Simplified Chinese, English, Japanese, Spanish, German, Brazilian Portuguese, Russian and French. Equipment control and audio features require compatible hardware and connection settings. Availability depends on the device and platform. MEMBERSHIP Monthly and annual auto-renewable subscriptions unlock all satellites in the app and custom ephemeris features. Prices are shown on the purchase screen. Payment is charged to your Apple Account after purchase confirmation. Subscriptions renew automatically unless canceled. Manage or cancel your subscription in your Apple Account subscription settings. Terms of Use / EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/