diff --git a/nanovna.h b/nanovna.h
index 5a3b67d..7a842bf 100644
--- a/nanovna.h
+++ b/nanovna.h
@@ -35,7 +35,7 @@
 #define __SELFTEST__
 #define __CALIBRATE__
 #define __FAST_SWEEP__          // Pre-fill SI4432 RSSI buffer  to get fastest sweep in zero span mode
-#define __HAM_BAND__
+//#define __HAM_BAND__
 //#define __ULTRA__             // Add harmonics mode on low input.
 //#define __ULTRA_SA__            // Adds ADF4351 control for extra high 1st IF stage
 #define __SPUR__                // Does spur reduction by shifting IF