Ham Imaging vs GLPSKHeatmap

Ham Imaging is the picture side of amateur radio. Hold your phone to any receiver's speaker and watch slow-scan television pictures decode live, or transmit your own with your callsign printed on them — no interface box, no cables, no computer. RECEIVE • Live SSTV decode straight from your radio's audio through the device microphone • Automatic mode detection from the VIS header — leave it on Auto and the picture just appears • 20 modes decoded and encoded: Scottie 1, 2, 3, 4 and DX; Martin 1, 2 and 3; Robot 12, 24, 36 and 72; PD 50, 90, 120, 160, 180, 240 and 290; and Wraase SC2-180 • A live tuning meter and signal-confidence readout so you can peak the audio before the picture starts • Slant correction for the small clock differences that make a picture lean • The picture paints in as it arrives — you do not have to wait for the end of the frame TRANSMIT • Send any photo from your camera or gallery as an SSTV picture • Optional overlay printing your callsign, grid and a free text line onto the image • Pick the mode to suit the band and the time you have • A progress bar tracks the transmission, and you can cancel at any point • Putting a signal on the air stays your decision — the app makes the tones, you key the radio GALLERY & LOGGING • Everything you receive or send is kept together on the device with its mode and UTC time • Share a watermarked copy anywhere • Clean export — a plain copy at 800 px, exactly the format ARISS asks for in award submissions • Copy an ADIF line to paste an SSTV contact straight into Ham Logging or your desktop logger • Delete a single picture or clear the whole gallery. Nothing is ever uploaded BUILT FOR THE SHACK • Works fully offline — decoding and encoding never need an internet connection • Light and dark themes, adjustable font size, weekly tips and in-app version history • Your callsign and grid stay on your device • No account, no ads, no analytics and no tracking PERFECT FOR • Operators working the HF SSTV picture nets • Anyone chasing ISS / ARISS SSTV events and award submissions • Shortwave listeners who want to see what those warbling tones actually are • Newcomers who want to try SSTV without buying an interface • Clubs demonstrating amateur radio to visitors and students PRIVACY • Your callsign, grid and email are stored only on your device. • No account, no sign-up, no ads, no analytics SDKs, no advertising ID and no tracking of any kind. 73 de A41UX Yousuf AL Balushi — Unixeer, Oman

PSK Heatmap fetches real-time spot data from PSK Reporter (pskreporter.info) and renders a propagation heatmap centered on your Maidenhead grid locator. Key Features: • Globe map showing TX (transmit) and RX (receive) spots in real time • Band filter: 160m, 80m, 40m, 30m, 20m, 17m, 15m, 12m, 10m • Heat-chart with spot count and unique station count per band x distance bin • Delta column shows change from previous fetch (spot count & station count) • Auto-refresh at configurable intervals (5-60 min); resumes on foreground • GPS-assisted grid locator detection • Quick links to ionospheric weather sites (NOAA, Solar Ham, etc.) Ideal for ham radio operators planning DX contacts or monitoring band conditions. Data source: open data provided by PSK Reporter (pskreporter.info). Internet connection required.