Add CB channel 16 (27.155 MHz) to monitoring

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

rtl_airband.conf

@@ -1,5 +1,5 @@
 # RTLSDR-Airband configuration for EU CB radio monitoring
-# Channels: 3 (26.985 MHz), 7 (27.035 MHz), 10 (27.075 MHz)
+# Channels: 3 (26.985 MHz), 7 (27.035 MHz), 10 (27.075 MHz), 16 (27.155 MHz)
 
 localtime = false;
 fft_size = 1024;
@@ -63,6 +63,22 @@ devices:
           dated_subdirectories = true;
         }
       );
+    },
+    {
+      freq = 27.155;
+      bandwidth = 8000;
+      modulation = "nfm";
+      squelch_snr_threshold = 9.0;
+      label = "CB-CH16";
+      outputs: (
+        {
+          type = "file";
+          directory = "/recordings";
+          filename_template = "CB_CH16_27155";
+          split_on_transmission = true;
+          dated_subdirectories = true;
+        }
+      );
     }
   );
 });