Signed-off-by: Stan Grams <sjg@haxx.space>
This commit is contained in:
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// SPDX-FileCopyrightText: 2026 Stan Grams <sjg@haxx.space>
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//
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// SPDX-License-Identifier: GPL-2.0-or-later
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// --- WSPR Decoder Plugin (server-side decode) ---
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const wsprStatus = document.getElementById("wspr-status");
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const wsprPeriodEl = document.getElementById("wspr-period");
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const wsprMessagesEl = document.getElementById("wspr-messages");
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const wsprFilterInput = document.getElementById("wspr-filter");
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const WSPR_PERIOD_SECONDS = 120;
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let wsprFilterText = "";
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let wsprMessageHistory = [];
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function currentWsprHistoryRetentionMs() {
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return typeof window.getDecodeHistoryRetentionMs === "function"
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? window.getDecodeHistoryRetentionMs()
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: 24 * 60 * 60 * 1000;
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}
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function pruneWsprMessageHistory() {
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const cutoffMs = Date.now() - currentWsprHistoryRetentionMs();
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wsprMessageHistory = wsprMessageHistory.filter((msg) => Number(msg?._tsMs ?? msg?.ts_ms) >= cutoffMs);
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}
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function scheduleWsprHistoryRender() {
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if (typeof window.trxScheduleUiFrameJob === "function") {
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window.trxScheduleUiFrameJob("wspr-history", () => renderWsprHistory());
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return;
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}
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renderWsprHistory();
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}
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function fmtWsprTime(tsMs) {
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if (!tsMs) return "--:--:--";
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return new Date(tsMs).toLocaleTimeString([], { hour: "2-digit", minute: "2-digit", second: "2-digit" });
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}
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function updateWsprPeriodTimer() {
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if (!wsprPeriodEl) return;
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const nowSec = Math.floor(Date.now() / 1000);
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const remaining = WSPR_PERIOD_SECONDS - (nowSec % WSPR_PERIOD_SECONDS);
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const mm = String(Math.floor(remaining / 60)).padStart(2, "0");
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const ss = String(remaining % 60).padStart(2, "0");
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wsprPeriodEl.textContent = `Next slot ${mm}:${ss}`;
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}
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updateWsprPeriodTimer();
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setInterval(updateWsprPeriodTimer, 500);
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function renderWsprRow(msg) {
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const row = document.createElement("div");
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row.className = "ft8-row";
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row.dataset.decoder = "wspr";
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const snr = Number.isFinite(msg.snr_db) ? msg.snr_db.toFixed(1) : "--";
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const dt = Number.isFinite(msg.dt_s) ? msg.dt_s.toFixed(2) : "--";
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const baseHz = Number.isFinite(window.ft8BaseHz) ? window.ft8BaseHz : null;
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const rfHz = Number.isFinite(msg.freq_hz) && Number.isFinite(baseHz) ? (baseHz + msg.freq_hz) : null;
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const freq = Number.isFinite(rfHz) ? rfHz.toFixed(0) : "--";
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const message = (msg.message || "").toString();
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row.dataset.message = message.toUpperCase();
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row.innerHTML = `<span class="ft8-time">${fmtWsprTime(msg.ts_ms)}</span><span class="ft8-snr">${snr}</span><span class="ft8-dt">${dt}</span><span class="ft8-freq">${freq}</span><span class="ft8-msg">${renderWsprMessage(message)}</span>`;
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applyWsprFilterToRow(row);
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return row;
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}
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function renderWsprHistory() {
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pruneWsprMessageHistory();
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if (!wsprMessagesEl) return;
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const fragment = document.createDocumentFragment();
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for (let i = 0; i < wsprMessageHistory.length; i += 1) {
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fragment.appendChild(renderWsprRow(wsprMessageHistory[i]));
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}
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wsprMessagesEl.replaceChildren(fragment);
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}
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function addWsprMessage(msg) {
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msg._tsMs = Number.isFinite(msg?.ts_ms) ? Number(msg.ts_ms) : Date.now();
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wsprMessageHistory.unshift(msg);
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pruneWsprMessageHistory();
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scheduleWsprHistoryRender();
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}
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function normalizeServerWsprMessage(msg) {
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const raw = (msg.message || "").toString();
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const grids = extractAllGrids(raw);
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const station = extractLikelyCallsign(raw);
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const baseHz = Number.isFinite(window.ft8BaseHz) ? Number(window.ft8BaseHz) : null;
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const rfHz = Number.isFinite(msg.freq_hz) && Number.isFinite(baseHz)
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? (baseHz + Number(msg.freq_hz))
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: (Number.isFinite(msg.freq_hz) ? Number(msg.freq_hz) : null);
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return {
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raw,
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grids,
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station,
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rfHz,
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history: {
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receiver: window.getDecodeRigMeta ? window.getDecodeRigMeta() : null,
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ts_ms: msg.ts_ms,
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snr_db: msg.snr_db,
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dt_s: msg.dt_s,
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freq_hz: msg.freq_hz,
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message: raw,
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},
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};
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}
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window.onServerWsprBatch = function(messages) {
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if (!Array.isArray(messages) || messages.length === 0) return;
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wsprStatus.textContent = "Receiving";
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const normalized = [];
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for (const msg of messages) {
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const next = normalizeServerWsprMessage(msg);
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if (next.grids.length > 0 && window.mapAddLocator) {
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window.mapAddLocator(next.raw, next.grids, "wspr", next.station, {
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...msg,
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freq_hz: next.rfHz,
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});
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}
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next.history._tsMs = Number.isFinite(next.history?.ts_ms) ? Number(next.history.ts_ms) : Date.now();
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normalized.push(next.history);
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}
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normalized.reverse();
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wsprMessageHistory = normalized.concat(wsprMessageHistory);
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pruneWsprMessageHistory();
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scheduleWsprHistoryRender();
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};
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window.restoreWsprHistory = function(messages) {
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window.onServerWsprBatch(messages);
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};
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window.pruneWsprHistoryView = function() {
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pruneWsprMessageHistory();
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renderWsprHistory();
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};
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function escapeWsprHtml(input) {
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return input
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.replaceAll("&", "&")
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.replaceAll("<", "<")
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.replaceAll(">", ">")
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.replaceAll("\"", """);
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}
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function renderWsprMessage(message) {
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let out = "";
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let i = 0;
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while (i < message.length) {
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const ch = message[i];
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if (isAlphaNum(ch)) {
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let j = i + 1;
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while (j < message.length && isAlphaNum(message[j])) j++;
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const token = message.slice(i, j);
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const grid = token.toUpperCase();
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if (isMaidenheadGridToken(grid)) {
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out += `<span class="ft8-locator" data-locator-grid="${grid}" role="button" tabindex="0" aria-label="Show locator ${grid} on map">${grid}</span>`;
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} else {
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out += escapeWsprHtml(token);
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}
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i = j;
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} else {
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out += escapeWsprHtml(ch);
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i += 1;
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}
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}
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return out;
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}
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function extractAllGrids(message) {
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const out = [];
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const seen = new Set();
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const parts = message.toUpperCase().split(/[^A-Z0-9]+/);
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for (const token of parts) {
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if (!token) continue;
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if (isMaidenheadGridToken(token) && !seen.has(token)) {
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seen.add(token);
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out.push(token);
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}
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}
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return out;
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}
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function extractLikelyCallsign(message) {
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const parts = String(message || "").toUpperCase().split(/[^A-Z0-9/]+/);
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for (const token of parts) {
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if (!token) continue;
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if (token.length < 3 || token.length > 12) continue;
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if (token === "CQ" || token === "DE" || token === "QRZ" || token === "DX") continue;
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if (isMaidenheadGridToken(token)) continue;
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if (/^[A-Z0-9/]{1,5}\d[A-Z0-9/]{1,6}$/.test(token)) return token;
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}
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return null;
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}
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function isFtxFarewellToken(token) {
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const normalized = String(token || "").trim().toUpperCase();
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return normalized === "RR73" || normalized === "73" || normalized === "RR";
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}
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function isMaidenheadGridToken(token) {
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const normalized = String(token || "").trim().toUpperCase();
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return /^[A-R]{2}\d{2}(?:[A-X]{2})?$/.test(normalized) && !isFtxFarewellToken(normalized);
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}
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function isAlphaNum(ch) {
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return /[A-Za-z0-9]/.test(ch);
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}
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function activateWsprHistoryLocator(targetEl) {
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const locatorEl = targetEl?.closest?.(".ft8-locator[data-locator-grid]");
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if (!locatorEl) return false;
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const grid = String(locatorEl.dataset.locatorGrid || "").toUpperCase();
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if (!grid) return false;
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if (typeof window.navigateToMapLocator === "function") {
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window.navigateToMapLocator(grid, "wspr");
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}
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return true;
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}
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function applyWsprFilterToRow(row) {
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if (!wsprFilterText) {
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row.style.display = "";
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return;
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}
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const message = row.dataset.message || "";
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row.style.display = message.includes(wsprFilterText) ? "" : "none";
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}
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function applyWsprFilterToAll() {
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const rows = wsprMessagesEl.querySelectorAll(".ft8-row");
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rows.forEach((row) => applyWsprFilterToRow(row));
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}
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window.resetWsprHistoryView = function() {
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wsprMessagesEl.innerHTML = "";
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wsprMessageHistory = [];
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renderWsprHistory();
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if (window.clearMapMarkersByType) window.clearMapMarkersByType("wspr");
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};
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if (wsprFilterInput) {
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wsprFilterInput.addEventListener("input", () => {
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wsprFilterText = wsprFilterInput.value.trim().toUpperCase();
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renderWsprHistory();
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});
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}
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if (wsprMessagesEl) {
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wsprMessagesEl.addEventListener("click", (event) => {
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if (!activateWsprHistoryLocator(event.target)) return;
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event.preventDefault();
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event.stopPropagation();
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});
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wsprMessagesEl.addEventListener("keydown", (event) => {
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if (event.key !== "Enter" && event.key !== " ") return;
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if (!activateWsprHistoryLocator(event.target)) return;
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event.preventDefault();
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event.stopPropagation();
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});
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}
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const wsprDecodeToggleBtn = document.getElementById("wspr-decode-toggle-btn");
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wsprDecodeToggleBtn?.addEventListener("click", async () => {
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try {
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await window.takeSchedulerControlForDecoderDisable?.(wsprDecodeToggleBtn);
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await postPath("/toggle_wspr_decode");
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} catch (e) {
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console.error("WSPR toggle failed", e);
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}
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});
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document.getElementById("settings-clear-wspr-history")?.addEventListener("click", async () => {
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if (!confirm("Clear all WSPR decode history? This cannot be undone.")) return;
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try {
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await postPath("/clear_wspr_decode");
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window.resetWsprHistoryView();
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} catch (e) {
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console.error("WSPR history clear failed", e);
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}
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});
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window.onServerWspr = function(msg) {
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wsprStatus.textContent = "Receiving";
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const next = normalizeServerWsprMessage(msg);
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if (next.grids.length > 0 && window.mapAddLocator) {
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window.mapAddLocator(next.raw, next.grids, "wspr", next.station, {
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...msg,
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freq_hz: next.rfHz,
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});
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}
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addWsprMessage(next.history);
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};
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