SD card logging capacity

[mistermike]

I'm sure this was posted before, but I was unable to turn up anything with a search. My apologies. They say if you can remember the 70's, you weren't there.

I'd like to know the aproximate log times of typical capacity SD cards. Obviously this varies with PID selection, but a ballpark estimate is all I need. I imagine stored tunes eat up a couple MB each, as well.

[TAQuickness]

I can't seem to find the thread off hand, but I seem to recall a 2gb SD card will hold about a 7 day log.

[swingtan]

Here are some E38 specifics......

Log duration: 18:30
PID Count: 22 ( read from the log meta data )
Channel Count: 39 ( read from the log meta data )
Frame Count: 44407 ( read from the log meta data )

Log size: 2040KB

So for the average SD cards out there, you would get...

Card Size - Max Log Duration

2GB - 18391 Min or 306.5 Hrs
1GB - 9195.5 Min or 152.25 Hrs
512MB - 4597.8 Min or 76.63 Hrs
256MB - 2298.9 Min or 38.32 Hrs
128MB - 1149.5Min or 19.16 Hrs


Simon.

[mistermike]

Well, that's certainly good news. I'm ordering a couple of super fast 2 GB cards for my camera, so my old 512 meg should have plenty of capacity and still hold a couple of tunes for quick changes at the track.