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feat: add Meteor Scatter mode for VHF beacon ping detection

Browse Source 
Full-stack meteor scatter monitoring mode that captures IQ data from
an RTL-SDR, computes FFT waterfall frames via WebSocket, and runs a
real-time detection engine to identify transient VHF reflections from
meteor ionization trails (e.g. GRAVES radar at 143.050 MHz).

Backend: MeteorDetector with EMA noise floor, SNR threshold state
machine (IDLE/DETECTING/ACTIVE/COOLDOWN), hysteresis, and CSV/JSON
export. WebSocket at /ws/meteor for binary waterfall frames, SSE at
/meteor/stream for detection events and stats.

Frontend: spectrum + waterfall + timeline canvases, event table with
SNR/duration/confidence, stats strip, turbo colour LUT. Uses shared
SDR device selection panel with conflict tracking.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-03-02 20:38:15 +00:00
parent e2e92b6b38
commit 7311dd10ab
12 changed files with 2499 additions and 14 deletions
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11
static/js/core/cheat-sheets.js
View File

@@ -16,14 +16,17 @@ const CheatSheets = (function () {
sstv: { title: 'ISS SSTV', icon: '🖼️', hardware: 'RTL-SDR + 145MHz antenna', description: 'Receives ISS SSTV images via slowrx.', whatToExpect: 'Color images during ISS SSTV events (PD180 mode).', tips: ['ISS SSTV: 145.800 MHz', 'Check ARISS for active event dates', 'ISS must be overhead — check pass times'] },
weathersat: { title: 'Weather Satellites', icon: '🌤️', hardware: 'RTL-SDR + 137MHz turnstile/QFH antenna', description: 'Decodes NOAA APT and Meteor LRPT weather imagery via SatDump.', whatToExpect: 'Infrared/visible cloud imagery.', tips: ['NOAA 15/18/19: 137.1–137.9 MHz APT', 'Meteor M2-3: 137.9 MHz LRPT', 'Use circular polarized antenna (QFH or turnstile)'] },
sstv_general:{ title: 'HF SSTV', icon: '📷', hardware: 'RTL-SDR + HF upconverter', description: 'Receives HF SSTV transmissions.', whatToExpect: 'Amateur radio images on 14.230 MHz (USB mode).', tips: ['14.230 MHz USB is primary HF SSTV frequency', 'Scottie 1 and Martin 1 most common', 'Best during daylight hours'] },
gps: { title: 'GPS Receiver', icon: '🗺️', hardware: 'USB GPS receiver (NMEA)', description: 'Streams GPS position and feeds location to other modes.', whatToExpect: 'Lat/lon, altitude, speed, heading, satellite count.', tips: ['BT Locate uses GPS for trail logging', 'Set observer location for satellite prediction', 'Verify a 3D fix before relying on altitude'] },
gps: { title: 'GPS Receiver', icon: '🗺️', hardware: 'USB GPS receiver (NMEA)', description: 'Streams GPS position and feeds location to other modes.', whatToExpect: 'Lat/lon, altitude, speed, heading, satellite count.', tips: ['BT Locate uses GPS for trail logging', 'Set observer location for satellite prediction', 'Verify a 3D fix before relying on altitude'] },
spaceweather:{ title: 'Space Weather', icon: '☀️', hardware: 'None (NOAA/SpaceWeatherLive data)', description: 'Monitors solar activity and geomagnetic storm indices.', whatToExpect: 'Kp index, solar flux, X-ray flare alerts, CME tracking.', tips: ['High Kp (≥5) = geomagnetic storm', 'X-class flares cause HF radio blackouts', 'Check before HF or satellite operations'] },
tscm: { title: 'TSCM Counter-Surveillance', icon: '🔍', hardware: 'WiFi + Bluetooth adapters', description: 'Technical Surveillance Countermeasures — detects hidden devices.', whatToExpect: 'RF baseline comparison, rogue device alerts, tracker detection.', tips: ['Take baseline in a known-clean environment', 'New strong signals = potential bug', 'Correlate WiFi + Bluetooth observations'] },
spystations: { title: 'Spy Stations', icon: '🕵️', hardware: 'RTL-SDR + HF antenna', description: 'Database of known number stations, military, and diplomatic HF signals.', whatToExpect: 'Scheduled broadcasts, frequency database, tune-to links.', tips: ['Numbers stations often broadcast on the hour', 'Use Spectrum Waterfall to tune directly', 'STANAG and HF mil signals are common'] },
tscm: { title: 'TSCM Counter-Surveillance', icon: '🔍', hardware: 'WiFi + Bluetooth adapters', description: 'Technical Surveillance Countermeasures — detects hidden devices.', whatToExpect: 'RF baseline comparison, rogue device alerts, tracker detection.', tips: ['Take baseline in a known-clean environment', 'New strong signals = potential bug', 'Correlate WiFi + Bluetooth observations'] },
spystations: { title: 'Spy Stations', icon: '🕵️', hardware: 'RTL-SDR + HF antenna', description: 'Database of known number stations, military, and diplomatic HF signals.', whatToExpect: 'Scheduled broadcasts, frequency database, tune-to links.', tips: ['Numbers stations often broadcast on the hour', 'Use Spectrum Waterfall to tune directly', 'STANAG and HF mil signals are common'] },
websdr: { title: 'WebSDR', icon: '🌐', hardware: 'None (uses remote SDR servers)', description: 'Access remote WebSDR receivers worldwide for HF shortwave listening.', whatToExpect: 'Live audio from global HF receivers, waterfall display.', tips: ['websdr.org lists available servers', 'Good for HF when local antenna is lacking', 'Use in-app player for seamless experience'] },
subghz: { title: 'SubGHz Transceiver', icon: '📡', hardware: 'HackRF One', description: 'Transmit and receive sub-GHz RF signals for IoT and industrial protocols.', whatToExpect: 'Raw signal capture, replay, and protocol analysis.', tips: ['Only use on licensed frequencies', 'Capture mode records raw IQ for replay', 'Common: garage doors, keyfobs, 315/433/868/915 MHz'] },
rtlamr: { title: 'Utility Meter Reader', icon: '⚡', hardware: 'RTL-SDR dongle', description: 'Reads AMI/AMR smart utility meter broadcasts via rtlamr.', whatToExpect: 'Meter IDs, consumption readings, interval data.', tips: ['Most meters broadcast on 915 MHz', 'MSG types 5, 7, 13, 21 most common', 'Consumption data is read-only public broadcast'] },
waterfall: { title: 'Spectrum Waterfall', icon: '🌊', hardware: 'RTL-SDR or HackRF (WebSocket)', description: 'Full-screen real-time FFT spectrum waterfall display.', whatToExpect: 'Color-coded signal intensity scrolling over time.', tips: ['Turbo palette has best contrast for weak signals', 'Peak hold shows max power in red', 'Hover over waterfall to see frequency'] },
waterfall: { title: 'Spectrum Waterfall', icon: '🌊', hardware: 'RTL-SDR or HackRF (WebSocket)', description: 'Full-screen real-time FFT spectrum waterfall display.', whatToExpect: 'Color-coded signal intensity scrolling over time.', tips: ['Turbo palette has best contrast for weak signals', 'Peak hold shows max power in red', 'Hover over waterfall to see frequency'] },
radiosonde: { title: 'Radiosonde Tracker', icon: '🎈', hardware: 'RTL-SDR dongle', description: 'Tracks weather balloons via radiosonde telemetry using radiosonde_auto_rx.', whatToExpect: 'Position, altitude, temperature, humidity, pressure from active sondes.', tips: ['Sondes transmit on 400–406 MHz', 'Set your region to narrow the scan range', 'Gain 40 dB is a good starting point'] },
morse: { title: 'CW/Morse Decoder', icon: '📡', hardware: 'RTL-SDR + HF antenna (or upconverter)', description: 'Decodes CW Morse code via Goertzel tone detection or OOK envelope detection.', whatToExpect: 'Decoded Morse characters, WPM estimate, signal level.', tips: ['CW Tone mode for HF amateur bands (e.g. 7.030, 14.060 MHz)', 'OOK Envelope mode for ISM/UHF signals', 'Use band presets for quick tuning to CW sub-bands'] },
meteor: { title: 'Meteor Scatter', icon: '☄️', hardware: 'RTL-SDR + VHF antenna (143 MHz)', description: 'Monitors VHF beacon reflections from meteor ionization trails.', whatToExpect: 'Waterfall display with transient ping detections and event logging.', tips: ['GRAVES radar at 143.050 MHz is the primary target', 'Use a Yagi pointed south (from Europe) for best results', 'Peak activity during annual meteor showers (Perseids, Geminids)'] },
};
function show(mode) {