diff --git a/src/wspr.c b/src/wspr.c
--- a/src/wspr.c
+++ b/src/wspr.c
@@ -81,7 +81,8 @@ void wspr_transmit(uint8_t* grid_locator
     //si5351_set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
     //si5351_set_ms_source(SI5351_CLK0, SI5351_PLLA);
     si5351_set_freq(WSPR_DEFAULT_FREQ * 100, 0, SI5351_CLK0);
-    si5351_drive_strength(SI5351_CLK0, SI5351_DRIVE_8MA); // Set for max power if desired (8ma max)
+//    si5351_drive_strength(SI5351_CLK0, SI5351_DRIVE_8MA); // Set for max power if desired (8ma max)
+    si5351_drive_strength(SI5351_CLK0, SI5351_DRIVE_6MA); // Set for max power if desired (8ma max)
     si5351_output_enable(SI5351_CLK0, 1);
     //si5351_pll_reset(SI5351_PLLA);