diff --git a/lib/sync_long.cc b/lib/sync_long.cc
index 3d795e0..1765d26 100644
--- a/lib/sync_long.cc
+++ b/lib/sync_long.cc
@@ -104,6 +104,7 @@ int general_work (int noutput, gr_vector_int& ninput_items,
 
 			if(d_offset == SYNC_LENGTH) {
 				search_frame_start();
+				mylog(boost::format("LONG: frame start at %1%") % d_frame_start);
 				d_offset = 0;
 				d_count = 0;
 				d_state = COPY;
diff --git a/lib/sync_short.cc b/lib/sync_short.cc
index 1754242..dde1401 100644
--- a/lib/sync_short.cc
+++ b/lib/sync_short.cc
@@ -73,7 +73,7 @@ int general_work (int noutput_items, gr_vector_int& ninput_items,
 					d_copied = 0;
 					d_freq_offset = arg(in_abs[i]) / 16;
 					d_plateau = 0;
-					insert_tag(nitems_written(0), d_freq_offset);
+					insert_tag(nitems_written(0), d_freq_offset, nitems_read(0) + i);
 					dout << "SHORT Frame!" << std::endl;
 					break;
 				}
@@ -99,7 +99,7 @@ int general_work (int noutput_items, gr_vector_int& ninput_items,
 					d_copied = 0;
 					d_plateau = 0;
 					d_freq_offset = arg(in_abs[o]) / 16;
-					insert_tag(nitems_written(0) + o, d_freq_offset);
+					insert_tag(nitems_written(0) + o, d_freq_offset, nitems_read(0) + o);
 					dout << "SHORT Frame!" << std::endl;
 					break;
 				}
@@ -128,8 +128,8 @@ int general_work (int noutput_items, gr_vector_int& ninput_items,
 	return 0;
 }
 
-void insert_tag(uint64_t item, double freq_offset) {
-	mylog(boost::format("frame start at %1%") % item);
+void insert_tag(uint64_t item, double freq_offset, uint64_t input_item) {
+	mylog(boost::format("frame start at in: %2% out: %1%") % item % input_item);
 
 	const pmt::pmt_t key = pmt::string_to_symbol("wifi_start");
 	const pmt::pmt_t value = pmt::from_double(freq_offset);