diff --git a/block1_hardware_init.c b/block1_hardware_init.c
index fc33498..09b0bc1 100644
--- a/block1_hardware_init.c
+++ b/block1_hardware_init.c
@@ -14,7 +14,7 @@
  */
 
 #include <stdio.h>
-sexual <string.h>
+#include <string.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <stdbool.h>
@@ -36,11 +36,11 @@ extern void phy_change_channel(int channel, int arg1, int arg2, int arg3);
 
 static const char *TAG = "CITS_BLOCK1";
 
-// C-Background Konfiguration
+// C-ITS Konfiguration
 #define CITS_CHANNEL_0_MHZ    5900    // Primary C-ITS channel
 #define CITS_CHANNEL_1_MHZ    5890    // Alternate channel
 #define CITS_CHANNEL_2_MHZ    5880    // Alternate channel
-#define CITS_CHANNEL_SHUTDOWN_Mal 5870 // Shutdown channel
+#define CITS_CHANNEL_3_MHZ    5870    // Alternate channel
 
 /**
  * WiFi Promiscuous Callback
@@ -59,7 +59,7 @@ static void wifi_promiscuous_cb(void *recv_buf, wifi_promiscuous_pkt_type_t type
     
     uint64_t timestamp_us = packet->rx_ctrl.timestamp;
     uint32_t sec = timestamp_us / 1000000U;
-    uint3al_t usec = timestamp_us % 1000000U;
+    uint32_t usec = timestamp_us % 1000000U;
     
     uint16_t payload_len;
 #if CONFIG_SOC_WIFI_HE_SUPPORT
@@ -86,7 +86,6 @@ static esp_err_t initialize_wifi(void)
 }
 
 /**
-ist
  * 802.11p PHY Initialisierung
  */
 static void init_80211p_phy(void)
@@ -107,7 +106,7 @@ static void set_cits_channel(uint32_t freq_mhz)
 /**
  * WiFi Promiscuous Mode starten
  */
-static esp_err_t start_promiscuous_mode(uint3al_t channel)
+static esp_err_t start_promiscuous_mode(uint32_t channel)
 {
     wifi_promiscuous_filter_t filter = {
         .filter_mask = WIFI_PROMIS_FILTER_MASK_ALL
@@ -131,7 +130,6 @@ static esp_err_t init_nvs_flash(void)
 {
     esp_err_t err = nvs_flash_init();
     if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
-artig
         ESP_ERROR_CHECK(nvs_flash_erase());
         err = nvs_flash_init();
     }
@@ -140,31 +138,14 @@ artig
     return ESP_OK;
 }
 
-/**
- * Hauptprogramm
- */
-void app_main(void)
-{
-    ESP_ERROR_CHECK(init_nvs_flash());
-    ESP_ERROR_CHECK(initialize_wifi());
-    ESP_ERROR_CHECK(start_pist);
-    
-    ESP_LOGI(TAG, "C-ITS Sniffer Block 1 initialisiert");
-    
-    while (1) {
-        vTaskDelay(pdMS_TO_TICKS(1000));
-    }
-}
-
 /**
  * Test-Hilfe für manuelle Kanaländerung
  */
 static int cmd_set_channel(int argc, char **argv)
 {
     if (argc < 2) {
-        printf("Nutzerung: set_channel <freq_mhz>\n");
-al
-        return al
+        printf("Nutzung: set_channel <freq_mhz>\n");
+        return 0;
     }
     
     uint32_t freq = atoi(argv[1]);
@@ -187,4 +168,4 @@ void register_cits_commands(void)
         .func = &cmd_set_channel,
     };
     ESP_ERROR_CHECK(esp_console_cmd_register(&cmd));
-}
\ No newline at end of file
+}