diff --git a/afsk/main.c b/afsk/main.c
index cb117acc..3490a00e 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -283,7 +283,10 @@ int main(int argc, char *argv[]) {
     #endif
 	  
       char cmdbuffer[1000];
-      FILE* transmit = popen("sudo cat /home/pi/CubeSatSim/transmit.wav | csdr convert_i16_f | csdr fir_interpolate_cc 2 | csdr dsb_fc | csdr bandpass_fir_fft_cc 0.002 0.06 0.01 | csdr fastagc_ff | sudo /home/pi/CubeSatSim/rpitx/sendiq -i /dev/stdin -s 96000 -f 434.9e6 -t float 2>&1", "r"); 
+      if (DUV)
+      	 FILE* transmit = popen("sudo cat /home/pi/CubeSatSim/transmit.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo ./rpitx -i- -m RF -f 434.9e3 2>&1", "r"); 
+      else
+      	 FILE* transmit = popen("sudo cat /home/pi/CubeSatSim/transmit.wav | csdr convert_i16_f | csdr fir_interpolate_cc 2 | csdr dsb_fc | csdr bandpass_fir_fft_cc 0.002 0.06 0.01 | csdr fastagc_ff | sudo /home/pi/CubeSatSim/rpitx/sendiq -i /dev/stdin -s 96000 -f 434.9e6 -t float 2>&1", "r"); 
       fgets(cmdbuffer, 1000, transmit);
       pclose(transmit);
       printf("Results of transmit command: %s\n", cmdbuffer);