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

[rwc]

URASP 85303 20315 18183 ////1 61181 42216 22309

PLAIN
PRESTO CULGOORA 15/2316UT MAR 2002


SOLAR RADIO EVENT 1:
   DRIFTING: 187 - 61 MHZ
   START TIME: 2216 UT   END   TIME: 2309 UT
   SPECTRAL TYPE: TYPE IV
   IMPORTANCE: MODERATE
THIS EVENT MAY HAVE HAD A TYPE II ON THE LEADING EDGE. EVENT
ANALYSIS DIFFICULT. FIRST THOUGHT A TYPE 1 NOISE STORM WAS
BEGINNING BUT EVENT WAS ASSOCIATED WITH SLOW RISE M2.1
FLARE OBSERVED FROM REGION 9866. SHORTWAVE FADEOUT OBSERVED IN
AUS/NZ REGION. IF THE INTERPRETATION OF TYPE II AND IV IS
CORRECT A ESTIMATED SHOCK SPEED IS IN THE RANGE 400-450 KM/S.


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