

NO TRANSMISSIONS FROM 0900 TO 1330Z 



00 ^ 



80 

 0000 



1200 

 TIME (GMT) 



1600 



2400 



Figure 8. Den Helder, Netherlands: Forestport-Summit, 10.2-kc/s Omega phase 

 difference (76 to 26 Nov 64). 



corresponding prediction and an rms value obtained. * The 

 results are summarized in table 2. The discrepancies re- 

 flect errors of all types but especially the stability of the 

 propagation medium and present prediction errors. The 

 results are consistent with previous estimates. However, 

 the rms discrepancy during the day has been seriously 

 affected by prediction errors and may be expected to 



*See ref. 9 for a description of the computations and more 

 detailed summary of the results. 



23 



