NCEP UPPER AIR RECEIPT MESSAGE FOR 20090221 00 UTC:
 TIME OF EXECUTION  Sat Feb 21 03:15:01 UTC 2009
 This webpage is updated every 30 min from 1:45 to 3:15 after 00 06 12 and 18 UTC.
 
 20674 THKS 21824 AB   21946 THKS 23330 THKS 23955 THKS 24125 AB  
 24266 THKS 24343 THKS 24641 THKS 24688 THKS 24726 AB   24944 THKS
 24959 THKS 25123 THKS 25400 THKS 25428 ABc  25913 THKS 28275 THKS
 28698 THKS 29231 A    29572 THKS 29612 THKS 29634 THKS 29839 THKS
 29862      30054 THKS 30554 aB   30758 THKS 31004 THKS 31369 THKS
 31538 THKS 31736 THKS 31770 AB   31873 THKS 31977 THKS 32389 THKS
 32540 THKS 

    
Group A (TTAA); Group B (TTBB [and PPBB]); Group C (TTCC, TTDD, [and PPDD]).
[Some stations report no PPBB/PPDD but report sig wind data in TTBB/TTDD.]
THKS means all required parts were in at this time with sufficient data. THANKS!
A capital letter means all required parts had data at this time for that group.
A small letter means reports received but some part had no data for the group.
A space means one or more required parts were missing from the group.
This message measures NCEP data receipt and reflects total system throughput.
Please retransmit missing reports, but DO NOT MAKE NUMEROUS RETRANSMISSIONS.
Check SDM and Gateway administrative messages for news on any comms problems.
Reference the "Thanks" Criteria for further details.