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Persist Meteor decode job state
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James Smith
@@ -2,13 +2,13 @@
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<div id="weatherSatMode" class="mode-content">
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<div class="section">
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<h3>Weather Satellite Decoder</h3>
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<div class="alpha-mode-notice">
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ALPHA: Weather Satellite capture is experimental and may fail depending on SatDump version, SDR driver support, and pass conditions.
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</div>
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<p class="info-text" style="font-size: 11px; color: var(--text-dim); margin-bottom: 12px;">
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Receive and decode weather images from NOAA and Meteor satellites.
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Uses SatDump for live SDR capture and image processing.
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</p>
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<div class="alpha-mode-notice">
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ALPHA: Weather Satellite capture is experimental and may fail depending on SatDump version, SDR driver support, and pass conditions.
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</div>
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<p class="info-text" style="font-size: 11px; color: var(--text-dim); margin-bottom: 12px;">
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Receive and decode Meteor LRPT weather imagery.
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Uses SatDump for live SDR capture and image processing, and also shows Meteor imagery produced by the ground-station scheduler.
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</p>
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</div>
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<div class="section">
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@@ -18,11 +18,8 @@
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<select id="weatherSatSelect" class="mode-select">
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<option value="METEOR-M2-3" selected>Meteor-M2-3 (137.900 MHz LRPT)</option>
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<option value="METEOR-M2-4">Meteor-M2-4 (137.900 MHz LRPT)</option>
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<option value="NOAA-15" disabled>NOAA-15 (137.620 MHz APT) [DEFUNCT]</option>
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<option value="NOAA-18" disabled>NOAA-18 (137.9125 MHz APT) [DEFUNCT]</option>
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<option value="NOAA-19" disabled>NOAA-19 (137.100 MHz APT) [DEFUNCT]</option>
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</select>
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</div>
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</select>
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</div>
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<div class="form-group">
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<label>Gain (dB)</label>
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<input type="number" id="weatherSatGain" value="40" step="0.1" min="0" max="50">
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@@ -72,7 +69,7 @@
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<li><strong style="color: var(--text-primary);">Connection:</strong> Solder elements to coax center + shield, connect to SDR via SMA</li>
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</ul>
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<p style="margin-top: 6px; color: var(--text-dim); font-style: italic;">
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Best starter antenna. Good enough for clear NOAA images with a direct overhead pass.
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Best starter antenna. Good enough for a clean Meteor LRPT pass when the satellite gets high overhead.
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</p>
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</div>
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@@ -135,8 +132,8 @@
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<li><strong style="color: var(--text-primary);">Antenna up:</strong> Point the antenna straight UP (zenith) for best overhead coverage</li>
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<li><strong style="color: var(--text-primary);">Avoid:</strong> Metal roofs, power lines, buildings blocking the sky</li>
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<li><strong style="color: var(--text-primary);">Coax length:</strong> Keep short (<10m). Signal loss at 137 MHz is ~3 dB per 10m of RG-58</li>
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<li><strong style="color: var(--text-primary);">LNA:</strong> Mount at the antenna feed point, NOT at the SDR end.
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Recommended: Nooelec SAWbird+ NOAA (137 MHz filtered LNA, ~$30)</li>
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<li><strong style="color: var(--text-primary);">LNA:</strong> Mount at the antenna feed point, NOT at the SDR end.
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Recommended: a low-noise 137 MHz filtered LNA near the antenna feed point</li>
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<li><strong style="color: var(--text-primary);">Bias-T:</strong> Enable the Bias-T checkbox above if your LNA is powered via the coax from the SDR</li>
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</ul>
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</div>
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@@ -165,13 +162,9 @@
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<td style="padding: 3px 4px; color: var(--text-dim);">Polarization</td>
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<td style="padding: 3px 4px; color: var(--text-primary); text-align: right;">RHCP</td>
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</tr>
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<tr style="border-bottom: 1px solid var(--border-color);">
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<td style="padding: 3px 4px; color: var(--text-dim);">NOAA (APT) bandwidth</td>
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<td style="padding: 3px 4px; color: var(--text-primary); text-align: right;">~40 kHz</td>
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</tr>
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<tr>
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<td style="padding: 3px 4px; color: var(--text-dim);">Meteor (LRPT) bandwidth</td>
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<td style="padding: 3px 4px; color: var(--text-primary); text-align: right;">~140 kHz</td>
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<tr>
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<td style="padding: 3px 4px; color: var(--text-dim);">Meteor (LRPT) bandwidth</td>
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<td style="padding: 3px 4px; color: var(--text-primary); text-align: right;">~140 kHz</td>
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</tr>
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</table>
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</div>
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@@ -184,34 +177,29 @@
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<span class="wxsat-collapse-icon collapsed" style="font-size: 10px; transition: transform 0.2s; display: inline-block;">▼</span>
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</h3>
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<div class="wxsat-test-decode-body collapsed" style="overflow: hidden;">
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<p class="info-text" style="font-size: 11px; color: var(--text-dim); margin-bottom: 8px;">
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Decode a pre-recorded IQ or WAV file without SDR hardware.
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Run <code style="font-size: 10px;">./download-weather-sat-samples.sh</code> to fetch sample files.
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</p>
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<div class="form-group">
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<label>Satellite</label>
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<select id="wxsatTestSatSelect" class="mode-select">
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<option value="METEOR-M2-3" selected>Meteor-M2-3 (LRPT)</option>
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<option value="METEOR-M2-4">Meteor-M2-4 (LRPT)</option>
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<option value="NOAA-15">NOAA-15 (APT)</option>
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<option value="NOAA-18">NOAA-18 (APT)</option>
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<option value="NOAA-19">NOAA-19 (APT)</option>
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</select>
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</div>
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<div class="form-group">
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<label>File Path (server-side)</label>
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<input type="text" id="wxsatTestFilePath" value="data/weather_sat/samples/noaa_apt_argentina.wav" style="font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif; font-size: 11px;">
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</div>
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<div class="form-group">
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<label>Sample Rate</label>
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<select id="wxsatTestSampleRate" class="mode-select">
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<option value="11025">11025 Hz (WAV audio APT)</option>
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<option value="48000">48000 Hz (WAV audio APT)</option>
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<option value="500000">500 kHz (IQ LRPT)</option>
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<option value="1000000" selected>1 MHz (IQ default)</option>
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<option value="2000000">2 MHz (IQ wideband)</option>
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</select>
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</div>
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<p class="info-text" style="font-size: 11px; color: var(--text-dim); margin-bottom: 8px;">
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Decode a pre-recorded Meteor IQ file without SDR hardware.
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Shared ground-station recordings are also accepted by the backend.
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</p>
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<div class="form-group">
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<label>Satellite</label>
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<select id="wxsatTestSatSelect" class="mode-select">
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<option value="METEOR-M2-3" selected>Meteor-M2-3 (LRPT)</option>
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<option value="METEOR-M2-4">Meteor-M2-4 (LRPT)</option>
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</select>
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</div>
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<div class="form-group">
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<label>File Path (server-side)</label>
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<input type="text" id="wxsatTestFilePath" value="data/weather_sat/samples/meteor_lrpt.sigmf-data" style="font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif; font-size: 11px;">
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</div>
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<div class="form-group">
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<label>Sample Rate</label>
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<select id="wxsatTestSampleRate" class="mode-select">
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<option value="500000">500 kHz (IQ LRPT)</option>
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<option value="1000000">1 MHz (IQ narrow)</option>
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<option value="2400000" selected>2.4 MHz (INTERCEPT default)</option>
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</select>
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</div>
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<button class="mode-btn" onclick="WeatherSat.testDecode()" style="width: 100%; margin-top: 4px;">
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Test Decode
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</button>
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@@ -238,12 +226,12 @@
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<div class="section">
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<h3>Resources</h3>
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<div style="display: flex; flex-direction: column; gap: 6px;">
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<a href="https://github.com/SatDump/SatDump" target="_blank" rel="noopener" class="preset-btn" style="text-decoration: none; text-align: center;">
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SatDump Documentation
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</a>
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<a href="https://www.rtl-sdr.com/rtl-sdr-tutorial-receiving-noaa-weather-satellite-images/" target="_blank" rel="noopener" class="preset-btn" style="text-decoration: none; text-align: center;">
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NOAA Reception Guide
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</a>
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</div>
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</div>
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</div>
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<a href="https://github.com/SatDump/SatDump" target="_blank" rel="noopener" class="preset-btn" style="text-decoration: none; text-align: center;">
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SatDump Documentation
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</a>
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<a href="https://www.rtl-sdr.com/rtl-sdr-tutorial-receiving-meteor-m2-weather-satellite-images/" target="_blank" rel="noopener" class="preset-btn" style="text-decoration: none; text-align: center;">
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Meteor Reception Guide
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</a>
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</div>
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</div>
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</div>
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