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Each SDR mode now includes frequency-specific antenna guidance: - Pager: VHF/UHF dipole info for 153/929 MHz bands - 433 MHz Sensors: quarter-wave ground plane for ISM band - Utility Meters: 912 MHz stock antenna tips and upgrades - APRS: 2m band dipole and commercial options for 144.39 MHz - SSTV: V-dipole for ISS reception at 145.800 MHz - AIS: marine VHF antenna for 162 MHz vessel tracking - Listening Post: wideband discone recommendation with band table - Meshtastic: LoRa 915/868 MHz antenna upgrades and placement - ADS-B: 1090 MHz collinear, commercial options, LNA/placement Each guide includes antenna type, element lengths, placement tips, and a quick reference table with key specs for the mode. https://claude.ai/code/session_01FjLTkyELaqh27U1wEXngFQ
141 lines
7.5 KiB
HTML
141 lines
7.5 KiB
HTML
<!-- PAGER MODE -->
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<div id="pagerMode" class="mode-content active">
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<div class="section">
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<h3>Frequency</h3>
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<div class="form-group">
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<label>Frequency (MHz)</label>
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<input type="text" id="frequency" value="153.350" placeholder="e.g., 153.350">
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</div>
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<div class="preset-buttons" id="presetButtons">
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<!-- Populated by JavaScript -->
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</div>
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<div style="margin-top: 8px; display: flex; gap: 5px;">
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<input type="text" id="newPresetFreq" placeholder="New freq (MHz)" style="flex: 1; padding: 6px; background: #0f3460; border: 1px solid #1a1a2e; color: #fff; border-radius: 4px; font-size: 12px;">
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<button class="preset-btn" onclick="addPreset()" style="background: #2ecc71;">Add</button>
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</div>
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<div style="margin-top: 5px;">
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<button class="preset-btn" onclick="resetPresets()" style="font-size: 11px;">Reset to Defaults</button>
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</div>
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</div>
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<div class="section">
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<h3>Protocols</h3>
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<div class="checkbox-group">
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<label><input type="checkbox" id="proto_pocsag512" checked> POCSAG-512</label>
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<label><input type="checkbox" id="proto_pocsag1200" checked> POCSAG-1200</label>
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<label><input type="checkbox" id="proto_pocsag2400" checked> POCSAG-2400</label>
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<label><input type="checkbox" id="proto_flex" checked> FLEX</label>
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</div>
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</div>
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<div class="section">
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<h3>Settings</h3>
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<div class="form-group">
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<label>Gain (dB, 0 = auto)</label>
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<input type="text" id="gain" value="0" placeholder="0-49 or 0 for auto">
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</div>
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<div class="form-group">
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<label>Squelch Level</label>
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<input type="text" id="squelch" value="0" placeholder="0 = off">
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</div>
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<div class="form-group">
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<label>PPM Correction</label>
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<input type="text" id="ppm" value="0" placeholder="Frequency correction">
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</div>
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</div>
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<div class="section">
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<h3>Logging</h3>
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<div class="checkbox-group" style="margin-bottom: 15px;">
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<label>
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<input type="checkbox" id="loggingEnabled" onchange="toggleLogging()">
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Enable Logging
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</label>
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</div>
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<div class="form-group">
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<label>Log file path</label>
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<input type="text" id="logFilePath" value="pager_messages.log" placeholder="pager_messages.log">
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</div>
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</div>
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<div class="section">
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<h3>Message Filters</h3>
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<div class="checkbox-group" style="margin-bottom: 10px;">
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<label>
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<input type="checkbox" id="filterToneOnly" checked onchange="savePagerFilters()">
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Hide "Tone Only" messages
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</label>
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</div>
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<div class="form-group">
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<label>Hide messages containing (comma-separated)</label>
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<input type="text" id="filterKeywords" placeholder="e.g. test, spam, alert" oninput="savePagerFilters()">
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</div>
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<div class="info-text" style="font-size: 10px; color: #666; margin-top: 5px;">
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Messages matching these keywords will be hidden from display but still logged.
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</div>
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</div>
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<!-- Antenna Guide -->
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<div class="section">
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<h3>Antenna Guide</h3>
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<div style="font-size: 11px; color: var(--text-dim); line-height: 1.5;">
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<p style="margin-bottom: 8px; color: var(--accent-cyan); font-weight: 600;">
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Pager frequencies vary by region (130–930 MHz)
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</p>
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<div style="background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 4px; padding: 10px; margin-bottom: 10px;">
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<strong style="color: var(--accent-cyan); font-size: 12px;">Stock Telescopic Antenna</strong>
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<ul style="margin: 6px 0 0 14px; padding: 0;">
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<li><strong style="color: var(--text-primary);">Works for:</strong> UHF pager bands (~900 MHz) — the stock antenna is tuned near 1 GHz</li>
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<li><strong style="color: var(--text-primary);">Extend to:</strong> ~8 cm for 929 MHz (quarter-wave)</li>
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<li><strong style="color: var(--text-primary);">For VHF (~150 MHz):</strong> Stock antenna is too short. Build a dipole (see below)</li>
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</ul>
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</div>
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<div style="background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 4px; padding: 10px; margin-bottom: 10px;">
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<strong style="color: var(--accent-cyan); font-size: 12px;">Simple Dipole (Best for VHF Pagers)</strong>
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<ul style="margin: 6px 0 0 14px; padding: 0;">
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<li><strong style="color: var(--text-primary);">For 153 MHz:</strong> Two elements, each ~49 cm (quarter-wave)</li>
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<li><strong style="color: var(--text-primary);">For 929 MHz:</strong> Two elements, each ~8 cm</li>
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<li><strong style="color: var(--text-primary);">Formula:</strong> Element length (cm) = 7500 / frequency (MHz)</li>
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<li><strong style="color: var(--text-primary);">Material:</strong> Any wire, coat hanger, or copper rod</li>
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<li><strong style="color: var(--text-primary);">Orientation:</strong> Vertical (pager signals are vertically polarized)</li>
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</ul>
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</div>
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<div style="background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 4px; padding: 10px;">
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<strong style="color: var(--accent-cyan); font-size: 12px;">Quick Reference</strong>
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<table style="width: 100%; margin-top: 6px; font-size: 10px; border-collapse: collapse;">
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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);">Common UHF freq</td>
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<td style="padding: 3px 4px; color: var(--text-primary); text-align: right;">929 MHz</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);">Common VHF freq</td>
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<td style="padding: 3px 4px; color: var(--text-primary); text-align: right;">153.350 MHz</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);">Modulation</td>
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<td style="padding: 3px 4px; color: var(--text-primary); text-align: right;">FM (NFM)</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);">Bandwidth</td>
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<td style="padding: 3px 4px; color: var(--text-primary); text-align: right;">~12.5 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);">Polarization</td>
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<td style="padding: 3px 4px; color: var(--text-primary); text-align: right;">Vertical</td>
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</tr>
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</table>
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</div>
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</div>
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</div>
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<button class="run-btn" id="startBtn" onclick="startDecoding()">
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Start Decoding
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</button>
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<button class="stop-btn" id="stopBtn" onclick="stopDecoding()" style="display: none;">
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Stop Decoding
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</button>
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</div>
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