diff --git a/afsk/main.c b/afsk/main.c
index 2914ae11..ae85aba8 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1407,9 +1407,9 @@ void get_tlm_fox() {
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
      if ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 500 for FSK
-        sleep(3.8); // 0.5);  // 25);  // initial period
+        sleep(3.5); // 0.5);  // 25);  // initial period
      while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))  // was 100
-        sleep(0.1); // 25); // 0.5);  // 25);
+        sleep(0.25); // 25); // 0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/
 
@@ -1432,10 +1432,10 @@ void get_tlm_fox() {
 	sleep(2.95); // 2.3);  
 	printf("Sleep time 2.95\n");
       }    
-
+*/
       printf("Sleep period: %d\n", millis() - startSleep);
       fflush(stdout);
-*/      
+      
       sampleTime = (unsigned int) millis();
     } else
       printf("first time - no sleep\n");