SPECIALIZED SUPPORT BULLETIN (u) 081200

File: 110196_aacqb_04.txt
Page: 04
Total Pages: 6
SFC TO SFC RADAR: NORM RNGS ALL FREOS
  SFC TO AIR RADAR: NORM RNGS ALL ALT                                                 -
  AIR TO AIR RADAR: NORM RNGS ALL ALT
  SFC REFRACTIVITY: 293 M UNITS
  REFRACTIVE CONDITION: NORMAL
  US NAVY 8 FEB 91/00Z (25N/55E)
  SFC TO SFC RADAR: NORM RNGS ALL FREQ                                           -
  SFC TO AIR RADAR: NORM RNGS ALL ALT
  AIR TO AIR RADAR: NORM RNGS ALL ALT
  SFC REFRACTIVITY: 294 M UNITS
  REFRACTIVE CONDITION: NORMAL
  5 . (U) PART E: UPPER AIR SOUNDING FOR KQAT
  NOT AVAILABLE
  6. ( U ) PART F: HFUS1 KOWC PROPAGATION BULLETIN
 - HFUS1 KGWC 080507
  SUBJ:.HF RADIO PROPAGATION REPORT
     JOINT USAF/NOAA BULLETIN PREPARED AT SPACE ENVIRONMENTAL SUPPORT -
     BRANCH AIR FORCE GLOBAL WEATHER CFNTRAL.
     PRIMARY HF RADIO PROPAGATION REPORT ISSUED AT 0805052 FEB 91.
     PART I. SUMMARY	 080000Z TO	 080600Z FEB 91.
	     FORECAST	 080600Z TO	 081200Z FEB 91.
                               			 QUADRANT
    	         	          I  	   	  	  II  	      	     III  	  	    IV
                      	 0 TO 90W 		90W TO 180	 180 TO 90E	 90E TO 0
 REGION    POLAR  N4/P30   		 N4    		         N5/P30  	   N5
              AURORAL  N4/P20   		 N4/P30     	          N5/P30  	   N5/P20
               MIDDLE  N7/P30  		  N7/P20      		   N7         N7
                  LOW  N7/P20   		 N8/P20 		    N8         N8
           EQUATORIAL  N7     		   N8          		   N8         N8
     PART II. GENERAL DESCRIPTION OF HF RADIO PROPAGATION CONDITIONS
     OBSERVED DURING THE 24 HOUR PERIOD ENDING 07/24002 AND FORECAST
      CONDITIONS FOR THE NEXT 24 HOURS: HF PROPAGATION HAS BEEN            -
     NORMAL IN ALL LATITUDES AND SECTORS. SUNLIT SECTORS MAY HAVE
 SOME FLAREMINDUCED SHORTWAVE FADING BUT OVERALL CONDITIONS
 WILL REMAIN GOOD THROUGH THE FORECAST PERIOD.
 PART III. SUMMARY OF SOLAR FLARE INDUCED IONOSPHERIC DISTURBANCES
 WHICH MAY HAVE CAUSED SHORT WAVE FADES IN THE SUNLIT HEMISPHERE
 DURING THE 24 HOUR PERIOD ENDING 07/24400Z FEB 91 . . .
 		START 		END 	CONFIRMED 		FREQS 	AFFECTED
 		0847Z 		0900Z 		NO 		UNKNOWN
 		09292 		1048Z 		NO 		UNKNOWN
 		14542 		1540Z 		YES 		13 TO	15 MHZ
 		17032 		1832Z		NO 		UNKNOWN
 		2118Z 		2246Z 		NO 		UNKNOWN
 PROBABILITY FOR THE NEXT 24 HOURS . . . . STRONG.
 PART IV. OBSERVED/FORECAST 10.7 CM FLUX AND K/AP.
 THE OBSERVED 10.7 CM FLUX FOR 07 FEB 91 WAS 208. .
THE FORECAST 10.7 CM FLUX FOR 08 0G AND 10 FEB 91 
ARE 190 190 AND 185.
 THE OBSERVED K/AP VALUE FOR 07 FEB 91 WAS 02/09_