[feat](trx-frontend-http): add S-meter unit to signal strength selector

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> Signed-off-by: Stan Grams <sjg@haxx.space>
2026-03-30 22:13:40 +02:00
parent a45e113bde
commit 2296a53916
1 changed files with 2 additions and 1 deletions
@@ -641,12 +641,13 @@ let hintTimer = null;
 let sigMeasuring = false;
 let sigLastSUnits = null;
 let sigLastDbm = null;
-const SIG_STRENGTH_UNITS = ["dBFS", "dBf", "dBm"];
+const SIG_STRENGTH_UNITS = ["dBFS", "dBf", "dBm", "S"];
 let sigStrengthUnitIdx = loadSetting("sigStrengthUnit", 0);

 function formatSigStrength(dbm) {
  if (!Number.isFinite(dbm)) return "--";
  const unit = SIG_STRENGTH_UNITS[sigStrengthUnitIdx] || "dBFS";
+  if (unit === "S") return formatSignal(dbmToSUnits(dbm));
  if (unit === "dBm") return `${dbm.toFixed(1)} dBm`;
  if (unit === "dBf") {
    // dBf = dBm + 107 (referenced to 1 femtowatt across 50 Ω)