change sleep(3.3) to 2.3

afsk/main.c

@@ -1093,7 +1093,7 @@ void get_tlm_fox() {
       while ((millis() - sampleTime) < (unsigned int)samplePeriod)
         sleep((unsigned int)sleepTime);
 */
-      sleep(3.3);  // No sleep at all!
+      sleep(2.3);  // No sleep at all!
 //      sleep(1.3);
 	    
       digitalWrite(txLed, txLedOff);