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Old June 11th 06, 02:23 PM posted to rec.aviation.soaring
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Default Cambridge Model 20 to OLC

Bubba wrote:
What do I need to do the get a valid IGC file posted to OLC? I am using
the utilities to convert the downloaded "cai" file to "igc". Doing so
the security checks are good. When posting to OLC, OLC checks the file
assuming it came from a Cambridge 302 (I am using a Model 20) and fails
the security check. Can someone tell me if they have been able to get a
model 20 posting to OLC. Thanks!

Output of validation

123
FreeDOS kernel version 1.1.28 (Build 2028) [Dec 09 2002 21:55:55]
- InitDisk
C: HD1 Pri:1 CHS= 0-1-1 start = 0MB,size = 392
D:643.TMPvalicam2 66ac0tt1.igc out.txt
ValiCam for the 302 Version 1.0.0
Checking File:66ac0tt1.igc ...
Log Data Integrity Fail
Signature Data Integrity Fail
Security Fail
D:643.TMPvali-cam 66ac0tt1.igc out.txt
Cambridge Aero Instruments Flight Log Validation ---- v1.04
-------------------------------------------------------------------------------

File 66AC0TT1.IGC is not a valid CAI log file
-------------------------------------------------------------------------------

D:643.TMPigc2cai 66ac0tt1.igc out.cai
D:643.TMPvali-cam out.cai out.txt
Cambridge Aero Instruments Flight Log Validation ---- v1.04
-------------------------------------------------------------------------------

File OUT.CAI is not a valid CAI log file
-------------------------------------------------------------------------------

D:643.TMPconv-cam -n66ac0tt1.igc out.cai org
CONV-CAM Version 2.0.2 IGC File Creation
Path for CAI files:
Path for IGC files: org
OUT.CAI is not a valid CAI file.
D:643.TMPecho '' out.txt




Several problems here, "valicam2" is for 302 files only,
just use vali-cam. Run it only on the .cai file, that's
the only place it works. Don't try to change names of files,
"out.cai" is never going to pass security, even if it was
otherwise valid. Don't try redirecting output to a file,
that's not how the utilities work.

Without using commercial software, basic steps a

download .cai file
vali-cam xxxxxxxx.cai
conv-cam xxxxxxxx.cai
igc2cai xxxxxxxx.cai xxxxxxxx.igc

This is written up in more detail in the FAQ-help section on the OLC.

Might want to put these into a script to automate the process.


-Dave