diff --git a/bitmaps.c b/bitmaps.c
index bb143bb..63b6283 100644
--- a/bitmaps.c
+++ b/bitmaps.c
@@ -329,48 +329,6 @@ const uint8_t BITMAP_ANTENNA[5] =
 	__extension__ 0b00000011
 };
 
-const uint8_t BITMAP_ANTENNA_LEVEL1[3] =
-{
-	__extension__ 0b01100000,
-	__extension__ 0b01100000,
-	__extension__ 0b00000000
-};
-
-const uint8_t BITMAP_ANTENNA_LEVEL2[3] =
-{
-	__extension__ 0b01110000,
-	__extension__ 0b01110000,
-	__extension__ 0b00000000
-};
-
-const uint8_t BITMAP_ANTENNA_LEVEL3[3] =
-{
-	__extension__ 0b01111000,
-	__extension__ 0b01111000,
-	__extension__ 0b00000000
-};
-
-const uint8_t BITMAP_ANTENNA_LEVEL4[3] =
-{
-	__extension__ 0b01111100,
-	__extension__ 0b01111100,
-	__extension__ 0b00000000
-};
-
-const uint8_t BITMAP_ANTENNA_LEVEL5[3] =
-{
-	__extension__ 0b01111110,
-	__extension__ 0b01111110,
-	__extension__ 0b00000000
-};
-
-const uint8_t BITMAP_ANTENNA_LEVEL6[3] =
-{
-	__extension__ 0b01111111,
-	__extension__ 0b01111111,
-	__extension__ 0b00000000
-};
-
 const uint8_t BITMAP_MARKER[8] =
 {
 	__extension__ 0b11111111,
diff --git a/bitmaps.h b/bitmaps.h
index d8e12c0..62e5dcd 100644
--- a/bitmaps.h
+++ b/bitmaps.h
@@ -47,12 +47,6 @@ extern const uint8_t BITMAP_MONITOR[6];
 #endif
 
 extern const uint8_t BITMAP_ANTENNA[5];
-extern const uint8_t BITMAP_ANTENNA_LEVEL1[3];
-extern const uint8_t BITMAP_ANTENNA_LEVEL2[3];
-extern const uint8_t BITMAP_ANTENNA_LEVEL3[3];
-extern const uint8_t BITMAP_ANTENNA_LEVEL4[3];
-extern const uint8_t BITMAP_ANTENNA_LEVEL5[3];
-extern const uint8_t BITMAP_ANTENNA_LEVEL6[3];
 
 extern const uint8_t BITMAP_MARKER[8];
 
diff --git a/firmware.bin b/firmware.bin
index bba5002..94f4404 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index 82dc469..543ed65 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/ui/main.c b/ui/main.c
index d78743f..82a71cc 100644
--- a/ui/main.c
+++ b/ui/main.c
@@ -54,6 +54,22 @@ center_line_t g_center_line = CENTER_LINE_NONE;
 
 // ***************************************************************************
 
+void draw_small_antenna_bars(uint8_t *p, unsigned int level)
+{
+	unsigned int i;
+
+	if (level > 6)
+		level = 6;
+
+	memcpy(p, BITMAP_ANTENNA, ARRAY_SIZE(BITMAP_ANTENNA));
+
+	for (i = 1; i <= level; i++)
+	{
+		const char bar = (0xff << (6 - i)) & 0x7F;
+		memset(p + 2 + (i * 3), bar, 2);
+	}
+}
+
 void draw_bar(uint8_t *line, const int len, const int max_width)
 {
 	int i;
@@ -76,27 +92,6 @@ void draw_bar(uint8_t *line, const int len, const int max_width)
 	#endif
 }
 
-void UI_drawBars(uint8_t *p, const unsigned int level)
-{
-	#pragma GCC diagnostic push
-	#pragma GCC diagnostic ignored "-Wimplicit-fallthrough="
-
-	switch (level)
-	{
-		default:
-		case 7: memcpy(p + 20, BITMAP_ANTENNA_LEVEL6, sizeof(BITMAP_ANTENNA_LEVEL6));
-		case 6: memcpy(p + 17, BITMAP_ANTENNA_LEVEL5, sizeof(BITMAP_ANTENNA_LEVEL5));
-		case 5: memcpy(p + 14, BITMAP_ANTENNA_LEVEL4, sizeof(BITMAP_ANTENNA_LEVEL4));
-		case 4: memcpy(p + 11, BITMAP_ANTENNA_LEVEL3, sizeof(BITMAP_ANTENNA_LEVEL3));
-		case 3: memcpy(p +  8, BITMAP_ANTENNA_LEVEL2, sizeof(BITMAP_ANTENNA_LEVEL2));
-		case 2: memcpy(p +  5, BITMAP_ANTENNA_LEVEL1, sizeof(BITMAP_ANTENNA_LEVEL1));
-		case 1: memcpy(p +  0, BITMAP_ANTENNA,        sizeof(BITMAP_ANTENNA)); break;
-		case 0: memset(p +  0, 0,                     sizeof(BITMAP_ANTENNA)); break;
-	}
-
-	#pragma GCC diagnostic pop
-}
-
 #ifdef ENABLE_TX_AUDIO_BAR
 
 	// linear search, ascending, using addition
@@ -364,7 +359,7 @@ void UI_update_rssi(const int rssi, const unsigned int glitch, const unsigned in
 		if (rssi_level == 0)
 			pline = NULL;
 		else
-			UI_drawBars(pline, rssi_level);
+			draw_small_antenna_bars(pline, rssi_level);
 
 		ST7565_DrawLine(0, line, 23, pline);
 	}
@@ -723,14 +718,14 @@ void UI_DisplayMain(void)
 						//g_vfo_info[vfo_num].freq_in_channel = SETTINGS_find_channel(frequency);
 						if (chan <= USER_CHANNEL_LAST)
 						{	// the frequency has a channel - show the channel name below the frequency
-	
+
 							// frequency
 							#ifdef ENABLE_SMALL_BOLD
 								UI_PrintStringSmallBold(str, x + 4, 0, line + 0);
 							#else
 								UI_PrintStringSmall(str, x + 4, 0, line + 0);
 							#endif
-	
+
 							// name
 							SETTINGS_fetch_channel_name(str, chan);
 							if (str[0] == 0)
@@ -831,7 +826,7 @@ void UI_DisplayMain(void)
 					Level = g_vfo_rssi_bar_level[vfo_num];
 			}
 
-			UI_drawBars(p_line1 + LCD_WIDTH, Level);
+			draw_small_antenna_bars(p_line1 + LCD_WIDTH, Level);
 		}
 
 		// ************