diff --git a/src/TEF6686.cpp b/src/TEF6686.cpp
index 3596ce2..166c244 100644
--- a/src/TEF6686.cpp
+++ b/src/TEF6686.cpp
@@ -528,9 +528,12 @@ void TEF6686::readRDS(byte showrdserrors)
             //AF decoder
             if (rdsblock == 0) {                                                                // Only when in GROUP 0A
 
-              if ((rds.rdsC >> 8) > 224 && (rds.rdsC >> 8) < 250 && ((rds.rdsC & 0xFF) * 10 + 8750) == currentfreq && !afmethodB) {  // Check for AF method B
+              if ((rds.rdsC >> 8) > 224 && (rds.rdsC >> 8) < 250 && ((rds.rdsC & 0xFF) * 10 + 8750) == currentfreq) {  // Check for AF method B
                 afmethodB = true;
+                afmethodBprobe = true;
                 af_updatecounter++;
+              } else if ((rds.rdsC >> 8) > 224 && (rds.rdsC >> 8) < 250 && ((rds.rdsC & 0xFF) * 10 + 8750) == !currentfreq) {
+                afmethodBprobe = false;
               }
 
               if (((rds.rdsC >> 8) > 0 && (rds.rdsC >> 8) > 224) && ((rds.rdsC >> 8) > 0 && (rds.rdsC >> 8) < 250)) afinit = true;
@@ -543,38 +546,48 @@ void TEF6686::readRDS(byte showrdserrors)
                   if ((rds.rdsC & 0xFF) > 0 && (rds.rdsC & 0xFF) < 205) buffer1 = (rds.rdsC & 0xFF) * 10 + 8750; else buffer1 = 0;
                   if (buffer0 != 0 || buffer1 != 0) rds.hasAF = true;
 
-                  if (buffer1 == currentfreq && buffer0 > buffer1) {
-                    for (int x = 0; x < af_counter; x++) {
-                      if (af[x].frequency == buffer0 && !af[x].regional) {
-                        af[x].regional = true;
-                        af_updatecounter++;
-                        break;
+                  if (afmethodBprobe) {
+                    if (buffer1 == currentfreq && buffer0 > buffer1) {
+                      for (int x = 0; x < af_counter; x++) {
+                        if (af[x].frequency == buffer0 && !af[x].regional) {
+                          if (!af[x].regional) {
+                            af[x].regional = true;
+                            af_updatecounter++;
+                          }
+                          break;
+                        }
+                      }
+                    } else if (buffer1 == currentfreq && buffer0 < buffer1) {
+                      for (int x = 0; x < af_counter; x++) {
+                        if (af[x].frequency == buffer0 && !af[x].mixed) {
+                          if (!af[x].mixed) {
+                            af[x].mixed = true;
+                            af_updatecounter++;
+                          }
+                          break;
+                        }
                       }
                     }
-                  } else if (buffer1 == currentfreq && buffer0 < buffer1) {
-                    for (int x = 0; x < af_counter; x++) {
-                      if (af[x].frequency == buffer0 && !af[x].mixed) {
-                        af[x].mixed = true;
-                        af_updatecounter++;
-                        break;
-                      }
-                    }
-                  }
 
-                  if (buffer0 == currentfreq && buffer0 > buffer1) {
-                    for (int x = 0; x < af_counter; x++) {
-                      if (af[x].frequency == buffer1 && !af[x].regional) {
-                        af[x].regional = true;
-                        af_updatecounter++;
-                        break;
+                    if (buffer0 == currentfreq && buffer0 > buffer1) {
+                      for (int x = 0; x < af_counter; x++) {
+                        if (af[x].frequency == buffer1 && !af[x].regional) {
+                          if (!af[x].regional) {
+                            af[x].regional = true;
+                            af_updatecounter++;
+                          }
+                          break;
+                        }
                       }
-                    }
-                  } else if (buffer0 == currentfreq && buffer0 < buffer1) {
-                    for (int x = 0; x < af_counter; x++) {
-                      if (af[x].frequency == buffer0 && !af[x].mixed) {
-                        af[x].mixed = true;
-                        af_updatecounter++;
-                        break;
+                    } else if (buffer0 == currentfreq && buffer0 < buffer1) {
+                      for (int x = 0; x < af_counter; x++) {
+                        if (af[x].frequency == buffer0 && !af[x].mixed) {
+                          if (!af[x].mixed) {
+                            af[x].mixed = true;
+                            af_updatecounter++;
+                          }
+                          break;
+                        }
                       }
                     }
                   }
@@ -1077,6 +1090,7 @@ void TEF6686::clearRDS (bool fullsearchrds)
   packet2 = false;
   packet3 = false;
   rds.aid_counter = 0;
+  afmethodBprobe = false;
 }
 
 void TEF6686::tone(uint16_t time, int16_t amplitude, uint16_t frequency) {
diff --git a/src/TEF6686.h b/src/TEF6686.h
index 8dd336b..22e12aa 100644
--- a/src/TEF6686.h
+++ b/src/TEF6686.h
@@ -85,81 +85,81 @@ static const char* const PTY_USA[] {
 };
 
 static const uint16_t oda_app_ids[] {
-    0x0000, 0x0093, 0x0BCB, 0x0C24, 0x0CC1, 0x0D45, 0x0D8B, 0x0E2C, 0x0E31, 0x0F87,
-    0x125F, 0x1BDA, 0x1C5E, 0x1C68, 0x1CB1, 0x1D47, 0x1DC2, 0x1DC5, 0x1E8F, 0x4400,
-    0x4AA1, 0x4AB7, 0x4BA2, 0x4BD7, 0x4BD8, 0x4C59, 0x4D87, 0x4D95, 0x4D9A, 0x50DD,
-    0x5757, 0x6363, 0x6365, 0x6552, 0x6A7A, 0x7373, 0xA112, 0xA911, 0xABCF, 0xC350,
-    0xC3A1, 0xC3B0, 0xC3C3, 0xC4D4, 0xC549, 0xC563, 0xC6A7, 0xC737, 0xCB73, 0xCB97,
-    0xCC21, 0xCD46, 0xCD47, 0xCD9E, 0xCE6B, 0xE123, 0xE1C1, 0xE319, 0xE411, 0xE440,
-    0xE4A6, 0xE5D7, 0xE911, 0xFF7F, 0xFF80
+  0x0000, 0x0093, 0x0BCB, 0x0C24, 0x0CC1, 0x0D45, 0x0D8B, 0x0E2C, 0x0E31, 0x0F87,
+  0x125F, 0x1BDA, 0x1C5E, 0x1C68, 0x1CB1, 0x1D47, 0x1DC2, 0x1DC5, 0x1E8F, 0x4400,
+  0x4AA1, 0x4AB7, 0x4BA2, 0x4BD7, 0x4BD8, 0x4C59, 0x4D87, 0x4D95, 0x4D9A, 0x50DD,
+  0x5757, 0x6363, 0x6365, 0x6552, 0x6A7A, 0x7373, 0xA112, 0xA911, 0xABCF, 0xC350,
+  0xC3A1, 0xC3B0, 0xC3C3, 0xC4D4, 0xC549, 0xC563, 0xC6A7, 0xC737, 0xCB73, 0xCB97,
+  0xCC21, 0xCD46, 0xCD47, 0xCD9E, 0xCE6B, 0xE123, 0xE1C1, 0xE319, 0xE411, 0xE440,
+  0xE4A6, 0xE5D7, 0xE911, 0xFF7F, 0xFF80
 };
 
 static const char* const oda_app_names[] {
-    "None",
-    "Cross referencing DAB within RDS",
-    "Leisure & Practical Info for Drivers",
-    "ELECTRABEL-DSM 7",
-    "Wireless Playground broadcast control signal",
-    "RDS-TMC: ALERT-C / EN ISO 14819-1",
-    "ELECTRABEL-DSM 18",
-    "ELECTRABEL-DSM 3",
-    "ELECTRABEL-DSM 13",
-    "ELECTRABEL-DSM 2",
-    "I-FM-RDS for fixed and mobile devices",
-    "ELECTRABEL-DSM 1",
-    "ELECTRABEL-DSM 20",
-    "ITIS In-vehicle data base",
-    "ELECTRABEL-DSM 10",
-    "ELECTRABEL-DSM 4",
-    "CITIBUS 4",
-    "Encrypted TTI using ALERT-Plus",
-    "ELECTRABEL-DSM 17",
-    "RDS-Light",
-    "RASANT",
-    "ELECTRABEL-DSM 9",
-    "ELECTRABEL-DSM 5",
-    "RadioText+ (RT+)",
-    "RadioText Plus / RT+for eRT",
-    "CITIBUS 2",
-    "Radio Commerce System (RCS)",
-    "ELECTRABEL-DSM 16",
-    "ELECTRABEL-DSM 11",
-    "To warn people in case of disasters or emergency",
-    "Personal weather station",
-    "Hybradio RDS-Net(for testing use, only)",
-    "RDS2 – 9 bit AF lists ODA",
-    "Enhanced RadioText (eRT)",
-    "Warning receiver",
-    "Enhanced early warning system",
-    "NL _ Alert system",
-    "Data FM Selective Multipoint Messaging",
-    "RF Power Monitoring",
-    "NRSC Song Title and Artist",
-    "Personal Radio Service",
-    "iTunes Tagging",
-    "NAVTEQ Traffic Plus",
-    "eEAS",
-    "Smart Grid Broadcast Channel",
-    "ID Logic",
-    "Veil Enabled Interactive Device",
-    "Utility Message Channel (UMC)",
-    "CITIBUS 1",
-    "ELECTRABEL-DSM 14",
-    "CITIBUS 3",
-    "RDS-TMC: ALERT-C",
-    "RDS-TMC: ALERT-C",
-    "ELECTRABEL-DSM 8",
-    "Encrypted TTI using ALERT-Plus",
-    "APS Gateway",
-    "Action code",
-    "ELECTRABEL-DSM 12",
-    "Beacon downlink",
-    "ELECTRABEL-DSM 15",
-    "ELECTRABEL-DSM 19",
-    "ELECTRABEL-DSM 6",
-    "EAS open protocol",
-    "RFT: Station logo",
-    "RFT+ (work title)"
+  "None",
+  "Cross referencing DAB within RDS",
+  "Leisure & Practical Info for Drivers",
+  "ELECTRABEL-DSM 7",
+  "Wireless Playground broadcast control signal",
+  "RDS-TMC: ALERT-C / EN ISO 14819-1",
+  "ELECTRABEL-DSM 18",
+  "ELECTRABEL-DSM 3",
+  "ELECTRABEL-DSM 13",
+  "ELECTRABEL-DSM 2",
+  "I-FM-RDS for fixed and mobile devices",
+  "ELECTRABEL-DSM 1",
+  "ELECTRABEL-DSM 20",
+  "ITIS In-vehicle data base",
+  "ELECTRABEL-DSM 10",
+  "ELECTRABEL-DSM 4",
+  "CITIBUS 4",
+  "Encrypted TTI using ALERT-Plus",
+  "ELECTRABEL-DSM 17",
+  "RDS-Light",
+  "RASANT",
+  "ELECTRABEL-DSM 9",
+  "ELECTRABEL-DSM 5",
+  "RadioText+ (RT+)",
+  "RadioText Plus / RT+for eRT",
+  "CITIBUS 2",
+  "Radio Commerce System (RCS)",
+  "ELECTRABEL-DSM 16",
+  "ELECTRABEL-DSM 11",
+  "To warn people in case of disasters or emergency",
+  "Personal weather station",
+  "Hybradio RDS-Net(for testing use, only)",
+  "RDS2 – 9 bit AF lists ODA",
+  "Enhanced RadioText (eRT)",
+  "Warning receiver",
+  "Enhanced early warning system",
+  "NL _ Alert system",
+  "Data FM Selective Multipoint Messaging",
+  "RF Power Monitoring",
+  "NRSC Song Title and Artist",
+  "Personal Radio Service",
+  "iTunes Tagging",
+  "NAVTEQ Traffic Plus",
+  "eEAS",
+  "Smart Grid Broadcast Channel",
+  "ID Logic",
+  "Veil Enabled Interactive Device",
+  "Utility Message Channel (UMC)",
+  "CITIBUS 1",
+  "ELECTRABEL-DSM 14",
+  "CITIBUS 3",
+  "RDS-TMC: ALERT-C",
+  "RDS-TMC: ALERT-C",
+  "ELECTRABEL-DSM 8",
+  "Encrypted TTI using ALERT-Plus",
+  "APS Gateway",
+  "Action code",
+  "ELECTRABEL-DSM 12",
+  "Beacon downlink",
+  "ELECTRABEL-DSM 15",
+  "ELECTRABEL-DSM 19",
+  "ELECTRABEL-DSM 6",
+  "EAS open protocol",
+  "RFT: Station logo",
+  "RFT+ (work title)"
 };
 
 typedef struct _rds_ {
@@ -342,5 +342,6 @@ class TEF6686 {
     bool packet1;
     bool packet2;
     bool packet3;
+    bool afmethodBprobe;
 };
 #endif
\ No newline at end of file
diff --git a/src/gui.cpp b/src/gui.cpp
index 6c2906c..c621a74 100644
--- a/src/gui.cpp
+++ b/src/gui.cpp
@@ -648,7 +648,7 @@ void BuildAdvancedRDS() {
     tftPrint(-1, "TP", 2, 51, GreyoutColor, BackgroundColor, 16);
     tftPrint(-1, "TA", 21, 51, GreyoutColor, BackgroundColor, 16);
     tftPrint(-1, "AF", 42, 51, GreyoutColor, BackgroundColor, 16);
-	tftPrint(-1, "-R", 60, 51, GreyoutColor, BackgroundColor, 16);
+	tftPrint(-1, "-B", 60, 51, GreyoutColor, BackgroundColor, 16);
     tftPrint(-1, "CT", 78, 51, GreyoutColor, BackgroundColor, 16);
     tftPrint(-1, "TMC", 95, 51, GreyoutColor, BackgroundColor, 16);
     tftPrint(-1, "RT+", 130, 51, GreyoutColor, BackgroundColor, 16);
diff --git a/src/rds.cpp b/src/rds.cpp
index 850969d..5b35408 100644
--- a/src/rds.cpp
+++ b/src/rds.cpp
@@ -56,7 +56,7 @@ void ShowAdvancedRDS() {
     if (!screenmute) tftPrint(-1, "N/A", 242, 208, BackgroundColor, BackgroundColor, 16);
     if (!screenmute) tftPrint(-1, LIColdString, 242, 208, BackgroundColor, BackgroundColor, 16);
 
-    if (radio.rds.LIC > 0 && radio.rds.LIC < 171) {
+    if (radio.rds.LIC > 0 && radio.rds.LIC < 128) {
       if (!screenmute) {
         if (radio.rds.hasLIC) tftPrint(-1, myLanguages[radio.rds.LIC], 242, 208, PrimaryColor, PrimaryColorSmooth, 16); else tftPrint(-1, "N/A", 242, 208, PrimaryColor, PrimaryColorSmooth, 16);
       }
@@ -209,7 +209,7 @@ void ShowAdvancedRDS() {
 
   if (afmethodBold != radio.afmethodB || rdsreset) {
     if (!screenmute) {
-      if (radio.afmethodB) tftPrint(-1, "-R", 60, 51, PrimaryColor, PrimaryColorSmooth, 16); else tftPrint(-1, "-R", 60, 51, GreyoutColor, BackgroundColor, 16);
+      if (radio.afmethodB) tftPrint(-1, "-B", 60, 51, PrimaryColor, PrimaryColorSmooth, 16); else tftPrint(-1, "-B", 60, 51, GreyoutColor, BackgroundColor, 16);
     }
     afmethodBold = radio.afmethodB;
   }
@@ -829,12 +829,15 @@ void ShowAFEON() {
       tft.fillRect(2, 48, 166, 150, BackgroundColor);
       for (byte i = 0; i < radio.af_counter; i++) {
         byte x = i - (afpagenr == 2 ? 30 : 0);
-        if (radio.af[i].checked) {
-          if (!screenmute) tftPrint(1, ((radio.afmethodB && radio.af[i].regional && radio.af[i].mixed) ? "M " : (radio.afmethodB && radio.af[i].regional && !radio.af[i].mixed ? "R " : "")) + String(radio.af[i].frequency / 100) + "." + String((radio.af[i].frequency % 100) / 10), 55 + (x > 9 ? 54 : 0) + (x > 19 ? 54 : 0), 48 + (15 * x) - (x > 9 ? 150 : 0) - (x > 19 ? 150 : 0), InsignificantColor, InsignificantColorSmooth, 16);
-        } else if (!radio.af[i].afvalid) {
-          if (!screenmute) tftPrint(1, ((radio.afmethodB && radio.af[i].regional && radio.af[i].mixed) ? "M " : (radio.afmethodB && radio.af[i].regional && !radio.af[i].mixed ? "R " : "")) + String(radio.af[i].frequency / 100) + "." + String((radio.af[i].frequency % 100) / 10), 55 + (x > 9 ? 54 : 0) + (x > 19 ? 54 : 0), 48 + (15 * x) - (x > 9 ? 150 : 0) - (x > 19 ? 150 : 0), SignificantColor, SignificantColorSmooth, 16);
-        } else {
-          if (!screenmute) tftPrint(1, ((radio.afmethodB && radio.af[i].regional && radio.af[i].mixed) ? "M " : (radio.afmethodB && radio.af[i].regional && !radio.af[i].mixed ? "R " : "")) + String(radio.af[i].frequency / 100) + "." + String((radio.af[i].frequency % 100) / 10), 55 + (x > 9 ? 54 : 0) + (x > 19 ? 54 : 0), 48 + (15 * x) - (x > 9 ? 150 : 0) - (x > 19 ? 150 : 0), PrimaryColor, PrimaryColorSmooth, 16);
+        if (!screenmute) {
+          tftPrint(-1, ((radio.afmethodB && !radio.af[i].regional && radio.af[i].mixed) ? "S " : (radio.afmethodB && radio.af[i].regional && radio.af[i].mixed) ? "M " : (radio.afmethodB && radio.af[i].regional && !radio.af[i].mixed) ? "R " : ""), 10 + (x > 9 ? 54 : 0) + (x > 19 ? 54 : 0), 48 + (15 * x) - (x > 9 ? 150 : 0) - (x > 19 ? 150 : 0), ActiveColor, ActiveColorSmooth, 16);
+          if (radio.af[i].checked) {
+            tftPrint(1, String(radio.af[i].frequency / 100) + "." + String((radio.af[i].frequency % 100) / 10), 55 + (x > 9 ? 54 : 0) + (x > 19 ? 54 : 0), 48 + (15 * x) - (x > 9 ? 150 : 0) - (x > 19 ? 150 : 0), InsignificantColor, InsignificantColorSmooth, 16);
+          } else if (!radio.af[i].afvalid) {
+            tftPrint(1, String(radio.af[i].frequency / 100) + "." + String((radio.af[i].frequency % 100) / 10), 55 + (x > 9 ? 54 : 0) + (x > 19 ? 54 : 0), 48 + (15 * x) - (x > 9 ? 150 : 0) - (x > 19 ? 150 : 0), SignificantColor, SignificantColorSmooth, 16);
+          } else {
+            tftPrint(1, String(radio.af[i].frequency / 100) + "." + String((radio.af[i].frequency % 100) / 10), 55 + (x > 9 ? 54 : 0) + (x > 19 ? 54 : 0), 48 + (15 * x) - (x > 9 ? 150 : 0) - (x > 19 ? 150 : 0), PrimaryColor, PrimaryColorSmooth, 16);
+          }
         }
         if (i == 29  + (afpagenr == 2 ? 30 : 0)) i = 254;
       }