Add flag to hide potentially personal hotspots

db.go

@@ -25,6 +25,7 @@ CREATE TABLE IF NOT EXISTS repeaters (
     trustee      TEXT NOT NULL DEFAULT '',
     ipsc_network TEXT NOT NULL DEFAULT '',
     network      TEXT NOT NULL DEFAULT '',
+    hotspot      INTEGER NOT NULL DEFAULT 0,
     status       TEXT NOT NULL DEFAULT 'ACTIVE'
 );
 
@@ -49,6 +50,7 @@ type Repeater struct {
 	Trustee     string  `json:"trustee"`
 	IpscNetwork string  `json:"ipsc_network"`
 	Network     string  `json:"network"`
+	Hotspot     int     `json:"hotspot"`
 	Status      string  `json:"status"`
 }
 
@@ -64,9 +66,9 @@ func openDB(path string) (*sql.DB, error) {
 	return db, nil
 }
 
-func queryRepeaters(db *sql.DB, minLat, maxLat, minLng, maxLng float64, band string, networks []string) ([]Repeater, error) {
+func queryRepeaters(db *sql.DB, minLat, maxLat, minLng, maxLng float64, band string, networks []string, showHotspots bool) ([]Repeater, error) {
 	query := `SELECT id, callsign, frequency, band, lat, lng, city, state, country,
-		color_code, offset, ts_linked, trustee, ipsc_network, network, status
+		color_code, offset, ts_linked, trustee, ipsc_network, network, hotspot, status
 		FROM repeaters WHERE lat BETWEEN ? AND ? AND lng BETWEEN ? AND ?`
 
 	args := []interface{}{minLat, maxLat, minLng, maxLng}
@@ -82,6 +84,10 @@ func queryRepeaters(db *sql.DB, minLat, maxLat, minLng, maxLng float64, band str
 		query += " AND band IN ('2m', '70cm')"
 	}
 
+	if !showHotspots {
+		query += " AND hotspot = 0"
+	}
+
 	// Network filter: only apply when not all 4 categories are selected
 	if len(networks) > 0 && len(networks) < 4 {
 		var placeholders []string
@@ -118,7 +124,7 @@ func queryRepeaters(db *sql.DB, minLat, maxLat, minLng, maxLng float64, band str
 		if err := rows.Scan(&r.ID, &r.Callsign, &r.Frequency, &r.Band,
 			&r.Lat, &r.Lng, &r.City, &r.State, &r.Country,
 			&r.ColorCode, &r.Offset, &r.TsLinked, &r.Trustee,
-			&r.IpscNetwork, &r.Network, &r.Status); err != nil {
+			&r.IpscNetwork, &r.Network, &r.Hotspot, &r.Status); err != nil {
 			return nil, err
 		}
 		results = append(results, r)
@@ -131,7 +137,7 @@ func queryRepeaters(db *sql.DB, minLat, maxLat, minLng, maxLng float64, band str
 }
 
 // Route corridor query: find repeaters within corridorKm of a polyline.
-func queryRepeatersAlongRoute(db *sql.DB, points [][2]float64, corridorKm float64, band string, networks []string) ([]Repeater, error) {
+func queryRepeatersAlongRoute(db *sql.DB, points [][2]float64, corridorKm float64, band string, networks []string, showHotspots bool) ([]Repeater, error) {
 	if len(points) == 0 {
 		return []Repeater{}, nil
 	}
@@ -162,7 +168,7 @@ func queryRepeatersAlongRoute(db *sql.DB, points [][2]float64, corridorKm float6
 	maxLng += lngPad
 
 	// Fetch candidates from bounding box
-	candidates, err := queryRepeaters(db, minLat, maxLat, minLng, maxLng, band, networks)
+	candidates, err := queryRepeaters(db, minLat, maxLat, minLng, maxLng, band, networks, showHotspots)
 	if err != nil {
 		return nil, err
 	}

handlers.go

@@ -18,6 +18,7 @@ type routeRequest struct {
 	Band     string       `json:"band"`
 	Corridor float64      `json:"corridor"`
 	Network  []string     `json:"network"`
+	Hotspots bool         `json:"hotspots"`
 }
 
 func handleRepeaters(db *sql.DB) http.HandlerFunc {
@@ -52,7 +53,9 @@ func handleRepeaters(db *sql.DB) http.HandlerFunc {
 			networks = strings.Split(net, ",")
 		}
 
-		repeaters, err := queryRepeaters(db, minLat, maxLat, minLng, maxLng, band, networks)
+		showHotspots := q.Get("hotspots") == "1"
+
+		repeaters, err := queryRepeaters(db, minLat, maxLat, minLng, maxLng, band, networks, showHotspots)
 		if err != nil {
 			http.Error(w, `{"error":"database query failed"}`, http.StatusInternalServerError)
 			return
@@ -99,7 +102,7 @@ func handleRouteRepeaters(db *sql.DB) http.HandlerFunc {
 			req.Corridor = 10
 		}
 
-		repeaters, err := queryRepeatersAlongRoute(db, req.Points, req.Corridor, req.Band, req.Network)
+		repeaters, err := queryRepeatersAlongRoute(db, req.Points, req.Corridor, req.Band, req.Network, req.Hotspots)
 		if err != nil {
 			http.Error(w, `{"error":"database query failed"}`, http.StatusInternalServerError)
 			return

seed.go

@@ -24,6 +24,7 @@ type rawRepeater struct {
 	TsLinked    string      `json:"ts_linked"`
 	Trustee     string      `json:"trustee"`
 	IpscNetwork string      `json:"ipsc_network"`
+	MapInfo     string      `json:"map_info"`
 	Status      string      `json:"status"`
 }
 
@@ -42,12 +43,6 @@ func seedDatabase(dbPath, jsonPath string) error {
 		return fmt.Errorf("create schema: %w", err)
 	}
 
-	// Migration: add network column for existing databases
-	if _, err := db.Exec("ALTER TABLE repeaters ADD COLUMN network TEXT NOT NULL DEFAULT ''"); err == nil {
-		db.Exec("DELETE FROM repeaters")
-		log.Println("Added network column, re-seeding database")
-	}
-
 	var count int
 	if err := db.QueryRow("SELECT COUNT(*) FROM repeaters").Scan(&count); err != nil {
 		return fmt.Errorf("count check: %w", err)
@@ -75,15 +70,15 @@ func seedDatabase(dbPath, jsonPath string) error {
 
 	stmt, err := tx.Prepare(`INSERT INTO repeaters
 		(id, callsign, frequency, band, lat, lng, city, state, country,
-		 color_code, offset, ts_linked, trustee, ipsc_network, network, status)
+		 color_code, offset, ts_linked, trustee, ipsc_network, network, hotspot, status)
-		VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`)
+		VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`)
 	if err != nil {
 		tx.Rollback()
 		return fmt.Errorf("prepare stmt: %w", err)
 	}
 	defer stmt.Close()
 
-	inserted, skipped := 0, 0
+	inserted, skipped, hotspots := 0, 0, 0
 	for _, r := range raw.Rptrs {
 		lat, lng, ok := parseCoords(r.Lat, r.Lng)
 		if !ok {
@@ -98,9 +93,14 @@ func seedDatabase(dbPath, jsonPath string) error {
 		band := classifyBand(freq)
 
 		network := classifyNetwork(r.IpscNetwork)
+		hotspot := 0
+		if isHotspot(r.Offset, r.City, r.MapInfo) {
+			hotspot = 1
+			hotspots++
+		}
 		if _, err := stmt.Exec(r.ID, r.Callsign, freq, band, lat, lng,
 			r.City, r.State, r.Country, r.ColorCode, r.Offset,
-			r.TsLinked, r.Trustee, r.IpscNetwork, network, r.Status); err != nil {
+			r.TsLinked, r.Trustee, r.IpscNetwork, network, hotspot, r.Status); err != nil {
 			log.Printf("Warning: skipping repeater %d (%s): %v", r.ID, r.Callsign, err)
 			skipped++
 			continue
@@ -112,7 +112,7 @@ func seedDatabase(dbPath, jsonPath string) error {
 		return fmt.Errorf("commit: %w", err)
 	}
 
-	log.Printf("Seeded %d repeaters (%d skipped)", inserted, skipped)
+	log.Printf("Seeded %d repeaters (%d skipped, %d hotspots)", inserted, skipped, hotspots)
 	return nil
 }
 
@@ -172,6 +172,23 @@ func classifyBand(freq float64) string {
 	return "other"
 }
 
+func isHotspot(offset, city, mapInfo string) bool {
+	// Zero offset indicates simplex (likely a personal hotspot)
+	if off, err := strconv.ParseFloat(strings.TrimSpace(offset), 64); err == nil && math.Abs(off) < 0.01 {
+		return true
+	}
+	// Hotspot keywords in city or map_info
+	check := strings.ToLower(city) + " " + strings.ToLower(mapInfo)
+	if strings.Contains(check, "hotspot") ||
+		strings.Contains(check, "pistar") ||
+		strings.Contains(check, "pi-star") ||
+		strings.Contains(check, "mmdvm") ||
+		strings.Contains(check, "simplex") {
+		return true
+	}
+	return false
+}
+
 func classifyNetwork(raw string) string {
 	s := strings.ToLower(strings.TrimSpace(raw))
 	if s == "" || s == "none" || s == "n/a" || s == "?" || s == "-" || s == "no" {

static/app.js

@@ -45,6 +45,7 @@
     var netDmrplus = document.getElementById("net-dmrplus");
     var netTgif = document.getElementById("net-tgif");
     var netOther = document.getElementById("net-other");
+    var showHotspots = document.getElementById("show-hotspots");
     var countEl = document.getElementById("count");
     var fromInput = document.getElementById("route-from");
     var toInput = document.getElementById("route-to");
@@ -317,6 +318,7 @@
             maxLng: bounds.getEast(),
             band: getSelectedBand(),
             network: getSelectedNetworks(),
+            hotspots: showHotspots.checked ? "1" : "0",
         });
 
         fetch("/api/repeaters?" + params, { signal: controller.signal })
@@ -397,6 +399,7 @@
                 band: getSelectedBand(),
                 corridor: 10,
                 network: getSelectedNetworks() === "all" ? [] : getSelectedNetworks().split(","),
+                hotspots: showHotspots.checked,
             }),
         })
             .then(function (resp) {
@@ -494,6 +497,11 @@
         });
     });
 
+    showHotspots.addEventListener("change", function () {
+        if (isRouteMode) fetchRouteRepeaters();
+        else fetchRepeaters();
+    });
+
     routeBtn.addEventListener("click", findRoute);
     clearBtn.addEventListener("click", clearRoute);
 

static/index.html

@@ -22,6 +22,10 @@
             <label class="net-label net-tgif"><input type="checkbox" id="net-tgif" checked> TGIF</label>
             <label class="net-label net-other"><input type="checkbox" id="net-other" checked> Other</label>
         </div>
+        <details class="experimental">
+            <summary>Experimental</summary>
+            <label class="hotspot-label"><input type="checkbox" id="show-hotspots"> Don't hide personal hotspots</label>
+        </details>
         <div class="controls-row route-row autocomplete-wrap">
             <input type="text" id="route-from" placeholder="From address" autocomplete="off" />
             <ul class="autocomplete-list" id="ac-from"></ul>

static/style.css

@@ -157,6 +157,44 @@ html.dark .band-70cm {
     cursor: pointer;
 }
 
+.experimental {
+    margin-top: 4px;
+    font-size: 11px;
+    color: var(--text-fainter);
+}
+
+.experimental summary {
+    cursor: pointer;
+    user-select: none;
+    font-size: 10px;
+    letter-spacing: 0.03em;
+}
+
+.experimental summary:hover {
+    color: var(--text-faint);
+}
+
+.experimental[open] {
+    padding-bottom: 2px;
+}
+
+.hotspot-label {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+    cursor: pointer;
+    font-size: 11px;
+    color: var(--text-faint);
+    margin-top: 4px;
+    user-select: none;
+}
+
+.hotspot-label input[type="checkbox"] {
+    width: 14px;
+    height: 14px;
+    cursor: pointer;
+}
+
 .count {
     margin-left: auto;
     font-size: 12px;