diff --git a/.gitignore b/.gitignore
index 42658b3..1d5eb97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,4 +32,5 @@ tiles
 
 # Docker
 # docker-*
-maplibre-gl-js-5.10.0.zip
\ No newline at end of file
+maplibre-gl-js-5.10.0.zip
+cert.pem
\ No newline at end of file
diff --git a/dbapp/mainapp/templates/mainapp/objitem_detail.html b/dbapp/mainapp/templates/mainapp/objitem_detail.html
index 1ace95a..27859af 100644
--- a/dbapp/mainapp/templates/mainapp/objitem_detail.html
+++ b/dbapp/mainapp/templates/mainapp/objitem_detail.html
@@ -182,6 +182,98 @@
         {% endif %}
     </div>
 
+    <!-- Транспондер -->
+    <div class="form-section">
+        <div class="form-section-header">
+            <h4>Транспондер</h4>
+        </div>
+
+        {% if object.transponder %}
+        <div class="row">
+            <div class="col-md-3">
+                <div class="mb-3">
+                    <label class="form-label">Название:</label>
+                    <div class="readonly-field">{{ object.transponder.name|default:"-" }}</div>
+                </div>
+            </div>
+            <div class="col-md-3">
+                <div class="mb-3">
+                    <label class="form-label">Спутник:</label>
+                    <div class="readonly-field">{{ object.transponder.sat_id.name|default:"-" }}</div>
+                </div>
+            </div>
+            <div class="col-md-3">
+                <div class="mb-3">
+                    <label class="form-label">Downlink (МГц):</label>
+                    <div class="readonly-field">{{ object.transponder.downlink|default:"-" }}</div>
+                </div>
+            </div>
+            <div class="col-md-3">
+                <div class="mb-3">
+                    <label class="form-label">Uplink (МГц):</label>
+                    <div class="readonly-field">{{ object.transponder.uplink|default:"-" }}</div>
+                </div>
+            </div>
+        </div>
+        <div class="row">
+            <div class="col-md-3">
+                <div class="mb-3">
+                    <label class="form-label">Полоса (МГц):</label>
+                    <div class="readonly-field">{{ object.transponder.frequency_range|default:"-" }}</div>
+                </div>
+            </div>
+            <div class="col-md-3">
+                <div class="mb-3">
+                    <label class="form-label">Перенос (МГц):</label>
+                    <div class="readonly-field">{{ object.transponder.transfer|default:"-" }}</div>
+                </div>
+            </div>
+            <div class="col-md-3">
+                <div class="mb-3">
+                    <label class="form-label">Поляризация:</label>
+                    <div class="readonly-field">{{ object.transponder.polarization.name|default:"-" }}</div>
+                </div>
+            </div>
+            <div class="col-md-3">
+                <div class="mb-3">
+                    <label class="form-label">ОСШ (дБ):</label>
+                    <div class="readonly-field">{{ object.transponder.snr|default:"-" }}</div>
+                </div>
+            </div>
+        </div>
+        <div class="row">
+            <div class="col-md-6">
+                <div class="mb-3">
+                    <label class="form-label">Зона покрытия:</label>
+                    <div class="readonly-field">{{ object.transponder.zone_name|default:"-" }}</div>
+                </div>
+            </div>
+        </div>
+        <div class="row">
+            <div class="col-md-6">
+                <div class="mb-3">
+                    <label class="form-label">Дата создания:</label>
+                    <div class="readonly-field">
+                        {% if object.transponder.created_at %}{{ object.transponder.created_at|date:"d.m.Y H:i" }}{% else %}-{% endif %}
+                    </div>
+                </div>
+            </div>
+            <div class="col-md-6">
+                <div class="mb-3">
+                    <label class="form-label">Создан пользователем:</label>
+                    <div class="readonly-field">
+                        {% if object.transponder.created_by %}{{ object.transponder.created_by }}{% else %}-{% endif %}
+                    </div>
+                </div>
+            </div>
+        </div>
+        {% else %}
+        <div class="mb-3">
+            <p>Нет данных о транспондере</p>
+        </div>
+        {% endif %}
+    </div>
+
     <!-- Блок с картой -->
     <div class="form-section">
         <div class="form-section-header">
diff --git a/dbapp/mainapp/templates/mainapp/objitem_form.html b/dbapp/mainapp/templates/mainapp/objitem_form.html
index 08ec1ff..0d6f609 100644
--- a/dbapp/mainapp/templates/mainapp/objitem_form.html
+++ b/dbapp/mainapp/templates/mainapp/objitem_form.html
@@ -248,6 +248,98 @@
             </div>
         </div>
 
+        <!-- Транспондер -->
+        <div class="form-section">
+            <div class="form-section-header">
+                <h4>Транспондер</h4>
+            </div>
+
+            {% if object.transponder %}
+            <div class="row">
+                <div class="col-md-3">
+                    <div class="mb-3">
+                        <label class="form-label">Название:</label>
+                        <div class="readonly-field">{{ object.transponder.name|default:"-" }}</div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="mb-3">
+                        <label class="form-label">Спутник:</label>
+                        <div class="readonly-field">{{ object.transponder.sat_id.name|default:"-" }}</div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="mb-3">
+                        <label class="form-label">Downlink (МГц):</label>
+                        <div class="readonly-field">{{ object.transponder.downlink|default:"-" }}</div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="mb-3">
+                        <label class="form-label">Uplink (МГц):</label>
+                        <div class="readonly-field">{{ object.transponder.uplink|default:"-" }}</div>
+                    </div>
+                </div>
+            </div>
+            <div class="row">
+                <div class="col-md-3">
+                    <div class="mb-3">
+                        <label class="form-label">Полоса (МГц):</label>
+                        <div class="readonly-field">{{ object.transponder.frequency_range|default:"-" }}</div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="mb-3">
+                        <label class="form-label">Перенос (МГц):</label>
+                        <div class="readonly-field">{{ object.transponder.transfer|default:"-" }}</div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="mb-3">
+                        <label class="form-label">Поляризация:</label>
+                        <div class="readonly-field">{{ object.transponder.polarization.name|default:"-" }}</div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="mb-3">
+                        <label class="form-label">ОСШ (дБ):</label>
+                        <div class="readonly-field">{{ object.transponder.snr|default:"-" }}</div>
+                    </div>
+                </div>
+            </div>
+            <div class="row">
+                <div class="col-md-6">
+                    <div class="mb-3">
+                        <label class="form-label">Зона покрытия:</label>
+                        <div class="readonly-field">{{ object.transponder.zone_name|default:"-" }}</div>
+                    </div>
+                </div>
+            </div>
+            <div class="row">
+                <div class="col-md-6">
+                    <div class="mb-3">
+                        <label class="form-label">Дата создания:</label>
+                        <div class="readonly-field">
+                            {% if object.transponder.created_at %}{{ object.transponder.created_at|date:"d.m.Y H:i" }}{% else %}-{% endif %}
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-6">
+                    <div class="mb-3">
+                        <label class="form-label">Создан пользователем:</label>
+                        <div class="readonly-field">
+                            {% if object.transponder.created_by %}{{ object.transponder.created_by }}{% else %}-{% endif %}
+                        </div>
+                    </div>
+                </div>
+            </div>
+            {% else %}
+            <div class="mb-3">
+                <p class="text-muted">Нет данных о транспондере</p>
+            </div>
+            {% endif %}
+        </div>
+
         <!-- Блок с картой -->
         <div class="form-section">
             <div class="form-section-header">
diff --git a/dbapp/mainapp/templates/mainapp/objitem_list.html b/dbapp/mainapp/templates/mainapp/objitem_list.html
index 6b5a639..bf11ad5 100644
--- a/dbapp/mainapp/templates/mainapp/objitem_list.html
+++ b/dbapp/mainapp/templates/mainapp/objitem_list.html
@@ -1265,11 +1265,39 @@
                                                     <td class="text-muted">Перенос:</td>
                                                     <td>${data.transfer || '-'} ${data.transfer ? 'МГц' : ''}</td>
                                                 </tr>
+                                                <tr>
+                                                    <td class="text-muted">ОСШ:</td>
+                                                    <td><strong>${data.snr || '-'} ${data.snr ? 'дБ' : ''}</strong></td>
+                                                </tr>
                                             </tbody>
                                         </table>
                                     </div>
                                 </div>
                             </div>
+                            
+                            <div class="col-12">
+                                <div class="card">
+                                    <div class="card-header bg-light">
+                                        <strong><i class="bi bi-clock-history"></i> Метаданные</strong>
+                                    </div>
+                                    <div class="card-body">
+                                        <div class="row">
+                                            <div class="col-md-6">
+                                                <p class="mb-2">
+                                                    <span class="text-muted">Дата создания:</span><br>
+                                                    <strong>${data.created_at || '-'}</strong>
+                                                </p>
+                                            </div>
+                                            <div class="col-md-6">
+                                                <p class="mb-2">
+                                                    <span class="text-muted">Создан пользователем:</span><br>
+                                                    <strong>${data.created_by || '-'}</strong>
+                                                </p>
+                                            </div>
+                                        </div>
+                                    </div>
+                                </div>
+                            </div>
                         </div>
                     </div>
                 `;
diff --git a/dbapp/mainapp/templates/mainapp/source_map.html b/dbapp/mainapp/templates/mainapp/source_map.html
index 6fca671..cae0c0a 100644
--- a/dbapp/mainapp/templates/mainapp/source_map.html
+++ b/dbapp/mainapp/templates/mainapp/source_map.html
@@ -58,7 +58,7 @@
 
 <script>
     // Инициализация карты
-    let map = L.map('map').setView([55.75, 37.62], 5);
+    let map = L.map('map').setView([55.75, 37.62], 10);
     L.control.scale({
         imperial: false,
         metric: true
diff --git a/dbapp/mainapp/utils.py b/dbapp/mainapp/utils.py
index 6c10277..8dd9b53 100644
--- a/dbapp/mainapp/utils.py
+++ b/dbapp/mainapp/utils.py
@@ -28,6 +28,47 @@ from .models import (
     Standard,
 )
 
+
+def find_matching_transponder(satellite, frequency, polarization):
+    """
+    Находит подходящий транспондер для заданных параметров.
+    
+    Алгоритм:
+    1. Фильтрует транспондеры по спутнику и поляризации
+    2. Проверяет, входит ли частота в диапазон транспондера:
+       downlink - frequency_range/2 <= frequency <= downlink + frequency_range/2
+    3. Возвращает самый свежий транспондер (по created_at)
+    
+    Args:
+        satellite: объект Satellite
+        frequency: частота в МГц
+        polarization: объект Polarization
+        
+    Returns:
+        Transponders или None: найденный транспондер или None
+    """
+    if not satellite or not polarization or frequency == -1.0:
+        return None
+    
+    # Фильтруем транспондеры по спутнику и поляризации
+    transponders = Transponders.objects.filter(
+        sat_id=satellite,
+        polarization=polarization,
+        downlink__isnull=False,
+        frequency_range__isnull=False
+    ).annotate(
+        # Вычисляем нижнюю и верхнюю границы диапазона
+        lower_bound=F('downlink') - F('frequency_range') / 2,
+        upper_bound=F('downlink') + F('frequency_range') / 2
+    ).filter(
+        # Проверяем, входит ли частота в диапазон
+        lower_bound__lte=frequency,
+        upper_bound__gte=frequency
+    ).order_by('-created_at')  # Сортируем по дате создания (самые свежие первыми)
+    
+    # Возвращаем самый свежий транспондер
+    return transponders.first()
+
 # ============================================================================
 # Константы
 # ============================================================================
@@ -371,9 +412,15 @@ def _create_objitem_from_row(row, sat, source, user_to_use, consts):
             # Пропускаем создание дубликата
             return
 
-    # Создаем новый ObjItem и связываем с Source
+    # Находим подходящий транспондер
+    transponder = find_matching_transponder(sat, freq, polarization_obj)
+    
+    # Создаем новый ObjItem и связываем с Source и Transponder
     obj_item = ObjItem.objects.create(
-        name=source_name, source=source, created_by=user_to_use
+        name=source_name, 
+        source=source, 
+        transponder=transponder,
+        created_by=user_to_use
     )
 
     # Создаем Parameter
@@ -697,9 +744,15 @@ def _create_objitem_from_csv_row(row, source, user_to_use):
             # Пропускаем создание дубликата
             return
 
-    # Создаем новый ObjItem и связываем с Source
+    # Находим подходящий транспондер
+    transponder = find_matching_transponder(sat_obj, row["freq"], pol_obj)
+    
+    # Создаем новый ObjItem и связываем с Source и Transponder
     obj_item = ObjItem.objects.create(
-        name=row["obj"], source=source, created_by=user_to_use
+        name=row["obj"], 
+        source=source, 
+        transponder=transponder,
+        created_by=user_to_use
     )
 
     # Создаем Parameter
diff --git a/dbapp/mainapp/views/api.py b/dbapp/mainapp/views/api.py
index 489aa70..4dc4f3c 100644
--- a/dbapp/mainapp/views/api.py
+++ b/dbapp/mainapp/views/api.py
@@ -310,9 +310,21 @@ class TransponderDataAPIView(LoginRequiredMixin, View):
         try:
             transponder = Transponders.objects.select_related(
                 'sat_id',
-                'polarization'
+                'polarization',
+                'created_by__user'
             ).get(id=transponder_id)
             
+            # Format created_at date
+            created_at_str = '-'
+            if transponder.created_at:
+                local_time = timezone.localtime(transponder.created_at)
+                created_at_str = local_time.strftime("%d.%m.%Y %H:%M")
+            
+            # Get created_by username
+            created_by_str = '-'
+            if transponder.created_by:
+                created_by_str = str(transponder.created_by)
+            
             data = {
                 'id': transponder.id,
                 'name': transponder.name or '-',
@@ -323,6 +335,9 @@ class TransponderDataAPIView(LoginRequiredMixin, View):
                 'polarization': transponder.polarization.name if transponder.polarization else '-',
                 'zone_name': transponder.zone_name or '-',
                 'transfer': f"{transponder.transfer:.3f}" if transponder.transfer else None,
+                'snr': f"{transponder.snr:.1f}" if transponder.snr is not None else None,
+                'created_at': created_at_str,
+                'created_by': created_by_str,
             }
             
             return JsonResponse(data)
diff --git a/dbapp/mainapp/views/data_import.py b/dbapp/mainapp/views/data_import.py
index 7c10782..7234e18 100644
--- a/dbapp/mainapp/views/data_import.py
+++ b/dbapp/mainapp/views/data_import.py
@@ -53,7 +53,8 @@ class AddTranspondersView(LoginRequiredMixin, FormMessageMixin, FormView):
         uploaded_file = self.request.FILES["file"]
         try:
             content = uploaded_file.read()
-            parse_transponders_from_xml(BytesIO(content))
+            # Передаем текущего пользователя в функцию парсинга
+            parse_transponders_from_xml(BytesIO(content), self.request.user.customuser)
         except ValueError as e:
             messages.error(self.request, f"Ошибка при чтении таблиц: {e}")
             return redirect("mainapp:add_trans")
diff --git a/dbapp/mainapp/views/objitem.py b/dbapp/mainapp/views/objitem.py
index 29a8b7e..92b810f 100644
--- a/dbapp/mainapp/views/objitem.py
+++ b/dbapp/mainapp/views/objitem.py
@@ -520,6 +520,19 @@ class ObjItemFormView(
             context["geo_form"] = GeoForm(prefix="geo")
 
         return context
+    
+    def get_object(self, queryset=None):
+        """Override to add select_related for transponder."""
+        obj = super().get_object(queryset)
+        if obj and hasattr(obj, 'transponder'):
+            # Prefetch transponder data
+            obj = ObjItem.objects.select_related(
+                'transponder',
+                'transponder__sat_id',
+                'transponder__polarization',
+                'transponder__created_by__user',
+            ).get(pk=obj.pk)
+        return obj
 
     def form_valid(self, form):
         # Get parameter form
@@ -658,6 +671,10 @@ class ObjItemDetailView(LoginRequiredMixin, View):
             'parameter_obj__polarization',
             'parameter_obj__modulation',
             'parameter_obj__standard',
+            'transponder',
+            'transponder__sat_id',
+            'transponder__polarization',
+            'transponder__created_by__user',
         ).first()
         
         if not obj:
diff --git a/dbapp/mapsapp/models.py b/dbapp/mapsapp/models.py
index aa241c9..62ac42e 100644
--- a/dbapp/mapsapp/models.py
+++ b/dbapp/mapsapp/models.py
@@ -57,9 +57,9 @@ class Transponders(models.Model):
     snr = models.FloatField(
         blank=True,
         null=True,
-        verbose_name="Полоса",
+        verbose_name="ОСШ, дБ",
         # validators=[MinValueValidator(0), MaxValueValidator(1000)],
-        help_text="Полоса частот в МГц (0-1000)",
+        help_text="Отношение сигнал/шум в децибелах",
     )
     created_at = models.DateTimeField(
         auto_now_add=True,
diff --git a/dbapp/mapsapp/utils.py b/dbapp/mapsapp/utils.py
index 512c867..756c11b 100644
--- a/dbapp/mapsapp/utils.py
+++ b/dbapp/mapsapp/utils.py
@@ -22,7 +22,7 @@ def search_satellite_on_page(data: dict, satellite_name: str):
 
 def get_footprint_data(position: str = 62) -> dict:
     """Возвращает словарь с данным по footprint для спутников на выбранной долготе"""
-    response = requests.get(f"https://www.satbeams.com/footprints?position={position}")
+    response = requests.get(f"https://www.satbeams.com/footprints?position={position}", verify=False)
     response.raise_for_status()
     match = re.search(r'var data = ({.*?});', response.text, re.DOTALL)
     if match:
@@ -40,7 +40,7 @@ def get_footprint_data(position: str = 62) -> dict:
 
 def get_all_page_data(url:str = 'https://www.satbeams.com/footprints') -> dict:
     """Возвращает словарь с данными по всем спутникам на странице"""
-    response = requests.get(url)
+    response = requests.get(url, verify="/etc/ssl/certs/ca-certificates.crt")
     response.raise_for_status()
     match = re.search(r'var data = ({.*?});', response.text, re.DOTALL)
     if match:
@@ -78,7 +78,14 @@ def get_band_names(satellite_name: str) -> list[str]:
     names = get_names_footprints_for_satellite(footprints, sat_id)
     return names
 
-def parse_transponders_from_json(filepath: str):
+def parse_transponders_from_json(filepath: str, user=None):
+    """
+    Парсит транспондеры из JSON файла.
+    
+    Args:
+        filepath: путь к JSON файлу
+        user: пользователь для установки created_by и updated_by (optional)
+    """
     with open(filepath, encoding="utf-8") as jf:
         data = json.load(jf)
     for sat_name, trans_zone in data["satellites"].items():
@@ -87,22 +94,40 @@ def parse_transponders_from_json(filepath: str):
                 f_b, f_e = tran["freq"][0].split("-")
                 f = round((float(f_b) + float(f_e))/2, 3)
                 f_range = round(abs(float(f_e) - float(f_b)), 3)
-                tran_obj = Transponders.objects.create(
+                
+                pol_obj = Polarization.objects.get(name=tran["pol"])
+                sat_obj = Satellite.objects.get(name__iexact=sat_name)
+                
+                tran_obj, created = Transponders.objects.get_or_create(
                     name=tran["name"],
-                    frequency=f,
-                    frequency_range=f_range,
-                    zone_name=zone,
-                    polarization=Polarization.objects.get(name=tran["pol"]),
-                    sat_id=Satellite.objects.get(name__iexact=sat_name)
+                    polarization=pol_obj,
+                    sat_id=sat_obj,
+                    defaults={
+                        "frequency": f,
+                        "frequency_range": f_range,
+                        "zone_name": zone,
+                    }
                 )
-                tran_obj.save()
+                
+                # Устанавливаем пользователя, если передан
+                if user:
+                    if created:
+                        tran_obj.created_by = user
+                    tran_obj.updated_by = user
+                    tran_obj.save()
 
 
 # Third-party imports (additional)
 from lxml import etree
 
 def parse_transponders_from_xml(data_in: BytesIO, user=None):
+    """
+    Парсит транспондеры из XML файла.
     
+    Args:
+        data_in: BytesIO объект с XML данными
+        user: пользователь для установки created_by и updated_by (optional)
+    """
     tree = etree.parse(data_in)
     ns = {
         'i': 'http://www.w3.org/2001/XMLSchema-instance', 
diff --git a/dbapp/mapsapp/views.py b/dbapp/mapsapp/views.py
index 6d12a87..df01bb8 100644
--- a/dbapp/mapsapp/views.py
+++ b/dbapp/mapsapp/views.py
@@ -86,7 +86,7 @@ class TileProxyView(View):
         url = f"{self.TILE_BASE_URL}/{footprint_name}/{z}/{x}/{y}.png"
 
         try:
-            resp = requests.get(url, timeout=self.REQUEST_TIMEOUT)
+            resp = requests.get(url, timeout=self.REQUEST_TIMEOUT, verify=r'/home/vesemir/DataStorage/cert.pem')
             if resp.status_code == 200:
                 response = HttpResponse(resp.content, content_type="image/png")
                 response["Access-Control-Allow-Origin"] = "*"