diff --git a/assets/js/propagation_map_hook.js b/assets/js/propagation_map_hook.js
index 82d45e5a..8429b3cf 100644
--- a/assets/js/propagation_map_hook.js
+++ b/assets/js/propagation_map_hook.js
@@ -363,17 +363,23 @@ function buildPopupHTML(detail, viewshedLoading) {
   </div>`
 }
 
-function buildDuctInfoHTML(duct) {
-  const freq = duct.best_duct_freq_ghz != null ? `${duct.best_duct_freq_ghz.toFixed(1)} GHz` : "—"
-  const thick = duct.max_duct_thickness_m != null ? `${Math.round(duct.max_duct_thickness_m)} m` : "—"
+function buildDuctInfoHTML(info) {
+  const layers = info.ducts || []
+  let layerRows = ""
+  if (layers.length > 0) {
+    layerRows = layers.map((d, i) => {
+      const baseFt = Math.round(d.base_m * 3.281)
+      const topFt = Math.round(d.top_m * 3.281)
+      const freq = d.min_freq_ghz != null ? `\u2265${d.min_freq_ghz.toFixed(1)} GHz` : ""
+      return `<div style="font-size:11px;padding:1px 0;">
+        Layer ${i + 1}: <strong>${baseFt}\u2013${topFt} ft</strong> (${d.thickness_m} m) ${freq}
+      </div>`
+    }).join("")
+  }
   return `
     <div style="padding:4px 10px 6px;border-top:1px solid rgba(255,255,255,0.15);">
-      <div style="font-size:10px;font-weight:700;opacity:0.5;margin-bottom:3px;text-transform:uppercase;letter-spacing:0.5px;">Ducting</div>
-      <div style="font-size:12px;display:flex;gap:12px;">
-        <span><strong>${duct.duct_count}</strong> layer${duct.duct_count !== 1 ? "s" : ""}</span>
-        <span>Thickness: <strong>${thick}</strong></span>
-        <span>Traps \u2265 <strong>${freq}</strong></span>
-      </div>
+      <div style="font-size:10px;font-weight:700;opacity:0.5;margin-bottom:3px;text-transform:uppercase;letter-spacing:0.5px;">Ducting &mdash; ${info.duct_count} layer${info.duct_count !== 1 ? "s" : ""}</div>
+      ${layerRows}
     </div>`
 }
 
diff --git a/lib/microwaveprop/propagation.ex b/lib/microwaveprop/propagation.ex
index aea545f4..ec60bbac 100644
--- a/lib/microwaveprop/propagation.ex
+++ b/lib/microwaveprop/propagation.ex
@@ -96,7 +96,8 @@ defmodule Microwaveprop.Propagation do
         %{
           duct_count: hrrr_profile[:duct_count],
           best_duct_freq_ghz: hrrr_profile[:best_duct_freq_ghz],
-          max_duct_thickness_m: hrrr_profile[:max_duct_thickness_m]
+          max_duct_thickness_m: hrrr_profile[:max_duct_thickness_m],
+          ducts: hrrr_profile[:ducts] || []
         }
       end
 
diff --git a/lib/microwaveprop/weather/hrrr_native_client.ex b/lib/microwaveprop/weather/hrrr_native_client.ex
index 377ed6d8..2373a498 100644
--- a/lib/microwaveprop/weather/hrrr_native_client.ex
+++ b/lib/microwaveprop/weather/hrrr_native_client.ex
@@ -196,14 +196,25 @@ defmodule Microwaveprop.Weather.HrrrNativeClient do
     if profile.level_count >= 3 do
       duct_result = Duct.analyze(profile)
 
+      ducts_summary =
+        Enum.map(duct_result.ducts, fn d ->
+          %{
+            base_m: round(d.base_m),
+            top_m: round(d.top_m),
+            thickness_m: round(d.thickness_m),
+            min_freq_ghz: Duct.min_trapped_frequency_ghz(d)
+          }
+        end)
+
       %{
         native_min_gradient: min_m_gradient(profile),
         best_duct_freq_ghz: duct_result.best_duct_band_ghz,
         max_duct_thickness_m: max_duct_thickness(duct_result.ducts),
-        duct_count: length(duct_result.ducts)
+        duct_count: length(duct_result.ducts),
+        ducts: ducts_summary
       }
     else
-      %{native_min_gradient: nil, best_duct_freq_ghz: nil, max_duct_thickness_m: nil, duct_count: 0}
+      %{native_min_gradient: nil, best_duct_freq_ghz: nil, max_duct_thickness_m: nil, duct_count: 0, ducts: []}
     end
   end