[Ips-clg-radio-sweep-event] Presto TypeII Alert from ASFC Culgoora Spectrograph

[rwc]

URASP 85303 41030 18183 ////2 25750 20329 20344
20790 20613 30633

PLAIN

PRESTO CULGOORA 30/2208UT OCT 2004

SOLAR RADIO EVENT 1:
   DRIFTING: 75 - 25 MHZ
   START TIME: 0329 UT   END   TIME: 0344 UT
   SPECTRAL TYPE: TYPE II BURST
   IMPORTANCE: MODERATE
   FUNDAMENTAL AND HARMONIC VISIBLE

   ESTIMATED SHOCK SPEED: 800KM/SEC

SOLAR RADIO EVENT 2:
   DRIFTING: 79 - 20 MHZ
   START TIME: 0613 UT   END   TIME: 0633 UT
   SPECTRAL TYPE: TYPE II BURST
   IMPORTANCE: STRONG
   FUNDAMENTAL AND HARMONIC VISIBLE

   ESTIMATED SHOCK SPEED: 1800KM/SEC
   EVENT INTERPRETATION DIFFICULT. ABOVE SPEED
   WAS DETERMINED BY FOLLOWING INTENSITY RIDGE IN TYPE II.
   A SPEED OF AROUND 800KM/SEC WAS OBTAINED USING THE
   TRAILING EDGE OF THE SWEEP. A SPEED OF 3000KM/SEC WAS
   OBTAINED USING THE LEADING EDGE OF THE PRESUMED TYPE
   II SWEEP.

http://www.ips.gov.au/Category/Solar/Culgoora%20Observatory/Last%20Type%20II%20Event/Last%20Type%20II%20Diagram.php?CatID=5&SecID=2&SecName=Culgoora%20Observatory&SubSecID=3&SubSecName=Last%20Type%20II%20Event&LinkName=Last%20Type%20II%20Diagram

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