diff --git a/FrequencyList.cpp b/FrequencyList.cpp
index 0d8926d..95812a6 100644
--- a/FrequencyList.cpp
+++ b/FrequencyList.cpp
@@ -22,20 +22,42 @@
 
 #include "moc_FrequencyList.cpp"
 
+#define ALTFREQS 0
+
 namespace
 {
   FrequencyList_v2::FrequencyItems const default_frequency_list =
     {
+#if ALTFREQS
+      { 1834000, Modes::FT8CALL, IARURegions::ALL}, // 6 below
+#else
       { 1838000, Modes::FT8CALL, IARURegions::ALL}, // 2 below
+#endif
+#if ALTFREQS
+      { 3576000, Modes::FT8CALL, IARURegions::ALL}, // 3 above
+#else
       { 3582000, Modes::FT8CALL, IARURegions::ALL}, // 9 above
+#endif
       { 7080000, Modes::FT8CALL, IARURegions::ALL}, // 7 above
       {10130000, Modes::FT8CALL, IARURegions::ALL}, // 6 below
+#if ALTFREQS
+      {14090000, Modes::FT8CALL, IARURegions::ALL}, // 16 above
+#else
       {14080000, Modes::FT8CALL, IARURegions::ALL}, // 6 above
+#endif
       {18104000, Modes::FT8CALL, IARURegions::ALL}, // 4 above
+#if ALTFREQS
+      {21100000, Modes::FT8CALL, IARURegions::ALL}, // 26 above
+#else
       {21080000, Modes::FT8CALL, IARURegions::ALL}, // 6 above
+#endif
       {24922000, Modes::FT8CALL, IARURegions::ALL}, // 7 above
       {28080000, Modes::FT8CALL, IARURegions::ALL}, // 6 above
+#if ALTFREQS
+      {50318000, Modes::FT8CALL, IARURegions::ALL}, // 5 above
+#else
       {50300000, Modes::FT8CALL, IARURegions::ALL}, // 13 below
+#endif
     };
 }