diff --git a/assets/js/contacts_map_hook.js b/assets/js/contacts_map_hook.js
index 9ecec39a..238cf291 100644
--- a/assets/js/contacts_map_hook.js
+++ b/assets/js/contacts_map_hook.js
@@ -1,23 +1,25 @@
 // Band MHz -> color mapping
 const BAND_COLORS = {
-  1296:   "#94a3b8", // slate
-  2304:   "#a78bfa", // violet
-  3456:   "#818cf8", // indigo
-  5760:   "#60a5fa", // blue
-  10000:  "#34d399", // emerald
-  24000:  "#fbbf24", // amber
-  47000:  "#fb923c", // orange
-  68000:  "#f87171", // red
-  75000:  "#e879f9", // fuchsia
-  122000: "#f472b6", // pink
-  134000: "#fb7185", // rose
-  241000: "#ff5555", // bright red
+  1296:   "#475569", // slate-600
+  2304:   "#7c3aed", // violet-600
+  3456:   "#4f46e5", // indigo-600
+  5760:   "#2563eb", // blue-600
+  10000:  "#059669", // emerald-600
+  24000:  "#d97706", // amber-600
+  47000:  "#ea580c", // orange-600
+  68000:  "#dc2626", // red-600
+  75000:  "#c026d3", // fuchsia-600
+  122000: "#db2777", // pink-600
+  134000: "#e11d48", // rose-600
+  241000: "#b91c1c", // red-700
 }
 
-const BAND_LABELS = {
-  1296: "1296 MHz", 2304: "2304 MHz", 3456: "3456 MHz", 5760: "5760 MHz",
-  10000: "10 GHz", 24000: "24 GHz", 47000: "47 GHz", 68000: "68 GHz",
-  75000: "76 GHz", 122000: "122 GHz", 134000: "134 GHz", 241000: "241 GHz"
+function bandLabel(mhz) {
+  if (mhz >= 1000) {
+    const ghz = mhz / 1000
+    return (Number.isInteger(ghz) ? ghz : ghz.toFixed(1)) + " GHz"
+  }
+  return mhz + " MHz"
 }
 
 function bandColor(band) {
@@ -52,20 +54,35 @@ export const ContactsMap = {
     // Collect all endpoint coords for endpoint density layer
     const endpointCounts = {}
 
-    // Draw lines per band using canvas polylines
+    // Draw lines per band — interactive with popups
     const bandLayers = {}
     for (const [band, entries] of Object.entries(byBand)) {
       const color = bandColor(parseInt(band))
       const lines = []
 
       for (const c of entries) {
-        const [lat1, lon1, lat2, lon2] = c
-        lines.push(L.polyline([[lat1, lon1], [lat2, lon2]], {
+        const [lat1, lon1, lat2, lon2, bnd, s1, s2, mode, dist, ts, id] = c
+        const line = L.polyline([[lat1, lon1], [lat2, lon2]], {
           color: color,
-          weight: 1,
-          opacity: 0.4,
-          interactive: false
-        }))
+          weight: 2,
+          opacity: 0.5
+        })
+
+        const distStr = dist != null ? `${Math.round(dist)} km` : "—"
+        line.bindPopup(
+          `<div style="font-size:12px;line-height:1.5;">` +
+          `<strong>${s1 || "?"} &harr; ${s2 || "?"}</strong><br/>` +
+          `${bandLabel(bnd)} &middot; ${mode || "?"}<br/>` +
+          `${distStr} &middot; ${ts || "?"} UTC<br/>` +
+          `<a href="/contacts/${id}" style="color:#3b82f6;">View details &rarr;</a>` +
+          `</div>`,
+          {closeButton: false, offset: [0, -4]}
+        )
+
+        line.on("mouseover", function() { this.setStyle({weight: 4, opacity: 1}) })
+        line.on("mouseout", function() { this.setStyle({weight: 2, opacity: 0.5}) })
+
+        lines.push(line)
 
         // Track endpoints
         const k1 = `${lat1.toFixed(2)},${lon1.toFixed(2)}`
@@ -106,7 +123,7 @@ export const ContactsMap = {
       let html = "<div style='font-weight:700;margin-bottom:4px;'>Bands</div>"
       for (const [band, entries] of sorted) {
         const color = bandColor(parseInt(band))
-        const label = BAND_LABELS[parseInt(band)] || band + " MHz"
+        const label = bandLabel(parseInt(band))
         html += `<div><span style="display:inline-block;width:14px;height:3px;background:${color};margin-right:6px;vertical-align:middle;border-radius:1px;"></span>${label} (${entries.length.toLocaleString()})</div>`
       }
       div.innerHTML = html
diff --git a/lib/microwaveprop_web/live/contact_map_live.ex b/lib/microwaveprop_web/live/contact_map_live.ex
index 96c28688..f8e73e0b 100644
--- a/lib/microwaveprop_web/live/contact_map_live.ex
+++ b/lib/microwaveprop_web/live/contact_map_live.ex
@@ -23,9 +23,15 @@ defmodule MicrowavepropWeb.ContactMapLive do
     from(c in Contact,
       where: not is_nil(c.pos1) and not is_nil(c.pos2),
       select: %{
+        id: c.id,
         pos1: c.pos1,
         pos2: c.pos2,
-        band: c.band
+        band: c.band,
+        station1: c.station1,
+        station2: c.station2,
+        mode: c.mode,
+        distance_km: c.distance_km,
+        qso_timestamp: c.qso_timestamp
       }
     )
     |> Repo.all()
@@ -35,12 +41,24 @@ defmodule MicrowavepropWeb.ContactMapLive do
       lat2 = c.pos2["lat"]
       lon2 = c.pos2["lon"] || c.pos2["lng"]
       band = if c.band, do: Decimal.to_integer(c.band), else: 0
+      dist = if c.distance_km, do: Decimal.to_float(c.distance_km)
+      ts = if c.qso_timestamp, do: Calendar.strftime(c.qso_timestamp, "%Y-%m-%d %H:%M")
 
       if lat1 && lon1 && lat2 && lon2 do
-        [lat1, lon1, lat2, lon2, band]
+        [lat1, lon1, lat2, lon2, band, c.station1, c.station2, c.mode, dist, ts, c.id]
       end
     end)
     |> Enum.reject(&is_nil/1)
+    |> dedup_reciprocals()
+  end
+
+  # Deduplicate reciprocal contacts (A↔B same band/hour = same contact logged by both sides)
+  defp dedup_reciprocals(contacts) do
+    Enum.uniq_by(contacts, fn [_lat1, _lon1, _lat2, _lon2, band, s1, s2, _mode, _dist, ts, _id] ->
+      stations = Enum.sort([s1 || "", s2 || ""])
+      hour = if ts, do: String.slice(ts, 0..12), else: ""
+      {stations, band, hour}
+    end)
   end
 
   @impl true
diff --git a/test/microwaveprop_web/live/contact_live_test.exs b/test/microwaveprop_web/live/contact_live_test.exs
index f6ce5c6f..70329924 100644
--- a/test/microwaveprop_web/live/contact_live_test.exs
+++ b/test/microwaveprop_web/live/contact_live_test.exs
@@ -6,6 +6,14 @@ defmodule MicrowavepropWeb.ContactLiveTest do
   alias Microwaveprop.Radio.Contact
   alias Microwaveprop.Repo
 
+  setup do
+    Req.Test.stub(Microwaveprop.Terrain.ElevationClient, fn conn ->
+      Req.Test.json(conn, [])
+    end)
+
+    :ok
+  end
+
   defp create_contact(attrs \\ %{}) do
     default = %{
       station1: "W5XD",