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»Forums Index »Archive (2017 and earlier) »IQFeed Developer Support »TCP/IP Message Type Spec

Author	Topic: TCP/IP Message Type Spec (4 messages, Page 1 of 1)
zyzhu2000 -Interested User- Posts: 23 Joined: Mar 30, 2005	Posted: Apr 1, 2005 10:09 PM Msg. 1 of 4 Hi, I just developed a simple client. I find I am receiving a few message types that I cannot find documention. When I send f@ESM5 to the server, I receive the following: 1. P,@ESM5,10,1177.50,-6.50,-0.00548986,1094072,10,1193.50,1172.50,0.00,0.00,0,0,183,,21.,16:14t,850492,1183.75,1184.00,0.,,1177.75,,0,,,,,04/01/2005,,1177.50,06/17/2005,,,-6.50,0,,,,,-6.25,1,0.017834395,,12,2,76,,,1183.75,0.00,0.00,0.00,273453,,,, 2. F,@ESM5,10,,,1234.25,1164.50,,,,,,,,,,,,,,,,,,E-MINI S&P 500 JUN 2005,,,,,,,,,,,,,,0,12,2,,,8,43,03/07/2005,01/24/2005,,, 3. P,@ESM5,10,1177.50,-6.50,-0.00548986,1094072,10,1193.50,1172.50,0.00,0.00,0,0,183,,21.,16:14t,850492,1183.75,1184.00,0.,,1177.75,,0,,,,,04/01/2005,,1177.50,06/17/2005,,,-6.50,0,,,,,-6.25,1,0.017834395,,12,2,76,,,1183.75,0.00,0.00,0.00,273453,,,, Now the questions are: 1. What is F message? Where can I find documentation? 2. What is P message? Where can I find documentation 3. Why I am receiving two P messages? Thanks, g
DTN_Jay_Froscheiser -VP, Product Operations- Posts: 1746 Joined: May 3, 2004 DTN IQFeed/DTN.IQ/DTN NxCore	Posted: Apr 3, 2005 08:14 PM Msg. 2 of 4 From the FAQ area on the API documentation: Q: What are the F,P,Q and T messages? ANS: These messages represent different types of data. F is the fundamental message, P is the summary message, Q is the update message, T is the Time message. Please refer the documentation for more details. Jay Froscheiser DTN Market Access, LLC.
zyzhu2000 -Interested User- Posts: 23 Joined: Mar 30, 2005	Posted: Apr 3, 2005 08:16 PM Msg. 3 of 4 I can find F, Q, and T in the docoumentation but I cannot find P. Can you give me some help?
skunk -DTN Evangelist- Posts: 249 Joined: May 7, 2004	Posted: Apr 4, 2005 04:35 PM Msg. 4 of 4 The P and Q messages have identical layout.