Restore trace table, display center and band freq display

plot.c

@@ -1906,7 +1906,7 @@ draw_frequencies(void)
       int b = getBand(idx);
       while (b == getBand(++next_idx));
 //      plot_printf(buf1, sizeof(buf1), "%.3QHz-%.3QHz %5.1QHz/", setting.bands[b].start + (setting.frequency_offset - FREQUENCY_SHIFT),  setting.bands[b].end + (setting.frequency_offset - FREQUENCY_SHIFT), grid_span);
-      if (next_idx - idx < sweep_points/4)
+      if (next_idx - idx < sweep_points/4-20)
         plot_printf(buf1, sizeof(buf1), "%.3QHz", (setting.bands[b].start+setting.bands[b].end)/2 + (setting.frequency_offset - FREQUENCY_SHIFT), grid_span);
       else
         plot_printf(buf1, sizeof(buf1), "%.3QHz %5.1QHz/", setting.bands[b].start + (setting.frequency_offset - FREQUENCY_SHIFT), grid_span);

ui.c

@@ -5210,7 +5210,7 @@ static void fetch_numeric_target(uint8_t mode)
     plot_printf(uistat.text, sizeof uistat.text, "%.3QHz", uistat.freq_value);
     break;
   case KM_BAND_CENTER:
-    uistat.freq_value = (setting.bands[active_band].start + setting.bands[active_band].start)/2 + (setting.frequency_offset - FREQUENCY_SHIFT);
+    uistat.freq_value = (setting.bands[active_band].end + setting.bands[active_band].start)/2 + (setting.frequency_offset - FREQUENCY_SHIFT);
     plot_printf(uistat.text, sizeof uistat.text, "%.3QHz", uistat.freq_value);
     break;
   case KM_BAND_SPAN:
@@ -5469,7 +5469,7 @@ set_numeric_value(void)
   case KM_BAND_CENTER:
   {
     freq_t span = (setting.bands[active_band].end - setting.bands[active_band].start);
-    freq_t center =  (setting.bands[active_band].end - setting.bands[active_band].start) + uistat.freq_value - (setting.frequency_offset - FREQUENCY_SHIFT);
+    freq_t center = uistat.freq_value - (setting.frequency_offset - FREQUENCY_SHIFT);
     setting.bands[active_band].start = center - span/2;
     setting.bands[active_band].end = center + span/2;
     update_frequencies();

vna_browser.c

@@ -145,6 +145,11 @@ finish2:
       setting.limits[current_trace][count].enabled = false;
       count++;
     }
+    setting.stored[current_trace] = true;
+    TRACE_ENABLE(1<<current_trace);
+    set_average(current_trace,AV_TABLE);
+    dirty = true;
+    limits_update();
     break;
   }
 #ifdef __BANDS__