Update main.c

afsk/main.c

@@ -284,7 +284,7 @@ int main(int argc, char *argv[]) {
 	  
            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"); 
-      fgets(cmdbuffer, 1000, file);
+      fgets(cmdbuffer, 1000, transmit);
       pclose(transmit);
       printf("Results of transmit command: %s\n", cmdbuffer);