I don't think this is a new problem with latest release. I noticed the same
since I started using XCSoar nearly 2 years ago (6.3), and switched over to
'external' wind since I found the 302 wind more accurate and more
instantaneous. I also recommend using the HW/TW infobox for accurate and
instantaneous component wind if your flight computer provides true airspeed
such as 302.
Ramy
On Mar 20, 2013, at 1:36 AM, Sascha Haffner <s_haff...@yahoo.com> wrote:
>
> Just heard from Max to submit NMEA files NOT IGC files in order to debug this
> problem. (fyi - NMEA logger can be switched on in the config menu under
> logger).
>
> Sascha
>
> Gesendet über Yahoo! Mail für Android
>
>
> From: Sascha Haffner <s_haff...@yahoo.com>;
> To: XCSoar User List <xcsoar-user@lists.sourceforge.net>;
> Subject: [Xcsoar-user] WG: [XCSoar] #2690: Wind calculation incorrect in
> version 6.5.
> Sent: Wed, Mar 20, 2013 8:11:10 AM
>
> Hi
>
> Could others please report back their observations about the wind
> calculations (mode: circling) in order to find out if the problem which I
> have described (see ticket description below) is a singular or a consistent
> one. Ideally with IGC files and what was observed during flight.
>
> Thx.
> Sascha
>
> Gesendet über Yahoo! Mail für Android
>
>
> From: XCSoar <t...@bugs.xcsoar.org>;
> To:
> Subject: [XCSoar] #2690: Wind calculation incorrect in version 6.5.
> Sent: Wed, Mar 20, 2013 8:01:55 AM
>
> #2690: Wind calculation incorrect in version 6.5.
> -------------------------------+------------------------
> Reporter: sascha | Owner:
> Type: defect | Status: new
> Priority: high | Milestone: XCSoar 6.5
> Component: Code | Version: 6.5
> Keywords: wind, calculation |
> -------------------------------+------------------------
> There seems to be a problem with the wind calculation (mode: circling) in
> the latest versions. I had suspected it already for some time, but never
> could really pinpoint it.
>
> Therefore two examples of flights (see SkyLines - Pilot SH on the
> respective dates):
>
> 19.3.2013 at 13.46h ca. 20-30kmh wind from the West, however XCSoar shows
> only ca. 1-5 kmh of wind.
>
> 15.3.2013 at 13.44h ca. max. 20-30kmh wind from the North (in lower levels
> and during landing) however XCSoar still shows the ca. 71 kmh Wind from
> earlier at ca. 13.10h (higher altitude), which were approx. correct
> according the the forecast and the comparison of ground- and indicated
> speed.
>
> What I observed, that sometimes the wind update takes very long (much more
> than 4 to 5 circles) or seems to "stick" alltogether along with displaying
> implausible values.
>
> Could you please look into it, since adequate wind calculation are
> essential.
>
> I will be glad to provide more info if necessary or fly tests.
>
> Cheers,
> Sascha
>
> Tested on XCS 6.5.2 / Android 2.2.2 / Dell5 / BT Flarm connection
> 38.400baud.
>
> --
> Ticket URL: <http://bugs.xcsoar.org/ticket/2690>
> XCSoar <http://www.xcsoar.org/>
> XCSoar - the open-source glide computer
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