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TCAS Conversion Question ?


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Hi Pete,

With the following data, could you please help.

Newbie in C++ and C#.

I am using the example UIPC_SDK_SHARP from Scott McCrory.

I have only problems to convert float (LAT,LON & ALT) to the values

showned by TrafficLook.

Airport = EGLL at Local time 06:16:05 first Tcas entry

FSUIPC Version is 2.975

********* WideClient.DLL Log [version 5.50] *********

Date (dmy): 11/06/03, Time 10:18:34.849: Client name is P700

350 Attempting to connect now

420 Connection made okay!

69399 New Client Application: "TrafficLook" (Id=2248)

73235 Monitored LAN data received:

Offset 0E080: || TrafficLook

ID 05 B7 FF FF FFFFB705 || 18666

LAT E5 E4 4D 42 ? || N51 28.3896

LON 0C FA E4 BE ? || W000 27.8498

ALT 63 23 AE 42 ? || 98

HD 89 68 6889 || 001

GS 00 00 0000 || 0

VS 00 00 0000 || 0

TAIL 4E 31 39 34 35 36 00 00 00 00 00 00 00 00 00 00 || N872

COM 85 24 24 85 || 124.85

Thank you in advance

Michel

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I have only problems to convert float (LAT,LON & ALT) to the values showned by TrafficLook.

They need no conversion. They are in standard Intel 32-bit floating point format. Just read then into variables defined as such. I don't know C# or VB, but in C and C++ this is the "float" type.

The Lat/Long are in degrees (with West and South negative, East and North positive), whilst the Altitude is in feet.

This is exactly as documented in the Programmer's Guide, where even a suitable structure declaration for C or C++ is provided. Please check there.

Pete

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