diff --git a/lib/demapping/get_bcch_or_ccch_bursts_impl.cc b/lib/demapping/get_bcch_or_ccch_bursts_impl.cc
index 011811d..e9d3316 100644
--- a/lib/demapping/get_bcch_or_ccch_bursts_impl.cc
+++ b/lib/demapping/get_bcch_or_ccch_bursts_impl.cc
@@ -62,15 +62,15 @@ namespace gr {
         pmt::pmt_t header_blob = pmt::car(msg);
         pmt::pmt_t content = pmt::cdr(msg);
         gsmtap_hdr * header = (gsmtap_hdr *)pmt::blob_data(header_blob);
-        uint32_t frame_nr = header->frame_number;
+        uint32_t frame_nr = be32toh(header->frame_number);
 
-        uint32_t fn_mod51 = header->frame_number % 51;
+        uint32_t fn_mod51 = frame_nr % 51;
         int fn51_stop = d_fn51_start+3;
 
         if(header->timeslot==0){
             if(fn_mod51>=d_fn51_start && fn_mod51<=fn51_stop){
                 uint32_t ii = fn_mod51-d_fn51_start;
-                d_frame_numbers[ii]=header->frame_number;
+                d_frame_numbers[ii]=frame_nr;
                 d_bursts[ii] = msg;
             }
             
diff --git a/lib/receiver/receiver_impl.cc b/lib/receiver/receiver_impl.cc
index bc1c2e4..66c2491 100644
--- a/lib/receiver/receiver_impl.cc
+++ b/lib/receiver/receiver_impl.cc
@@ -823,10 +823,11 @@ void receiver_impl::send_burst(burst_counter burst_nr, const unsigned char * bur
     tap_header->hdr_len = sizeof(gsmtap_hdr)/4;
     tap_header->type = GSMTAP_TYPE_UM_BURST;
     tap_header->timeslot = static_cast<uint8_t>(d_burst_nr.get_timeslot_nr());
-    tap_header->frame_number = d_burst_nr.get_frame_nr();
+    tap_header->frame_number = htobe32(d_burst_nr.get_frame_nr());
     tap_header->sub_type = static_cast<uint8_t>(b_type);
     tap_header->arfcn = d_cell_allocation[input_nr];
     tap_header->signal_dbm = static_cast<int8_t>(d_signal_dbm);
+    tap_header->snr_db = 0;
     pmt::pmt_t header_blob=pmt::make_blob(tap_header.get(),sizeof(gsmtap_hdr));
     pmt::pmt_t burst_binary_blob=pmt::make_blob(burst_binary,BURST_SIZE);
     pmt::pmt_t msg = pmt::cons(header_blob, burst_binary_blob);