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<div class="moz-cite-prefix">Thank you all for your responses. It
appears that it is AR-Cluster that is the culprit. It appears to
have only 7 digits of precision, but handles the exponent. Which
suggests that it is using a float, rather than a double for QRG.
Which means that, if this <u>is</u> the internal representation
in AR-C, depending on the exact (binary version) of the mantissa
it can have between 6 and 9 decimal digits precision.
Alternatively, it could be using a double and arithmetically
rounding it to the nearest 7 digits. Or just truncating (flooring)
it. Either way it is bad.<br>
<br>
Lee VE7CC and I are discussing what to do about PC11s coming from
AR-C nodes. But, right now what you could do is set an input
filter on any AR-C nodes that you connect to, eg. reject/spot
k1ttt input on 10000000/99000000<br>
<br>
This means no disrespect to David but duplicate spots like this
have to be suppressed. There are other issues with spots coming
from AR-C nodes even on lower frequencies. These are less
tractable and will be harder to deal with and could require more
drastic action. <br>
<br>
Dirk G1TLH<br>
<br>
On 30/11/2021 09:04, gu6efb--- via Dxspider-support wrote:<br>
</div>
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<div class="WordSection1">
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Courier New"">Can’t
seem to find that spot on DXspider cluster but it’s in the
CCCluster log if it helps<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Courier New"">CCCluster
log GB7DXG<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><- 17:25:22 GU6EFB-1
CC11^7074^BG3GBZ^29-Nov-2021^1725Z^FT8 -11 dB 1364
Hz^VE7CC-#^1^^RBNFT8^33^23^2^3^^BC^BY^VE^ON40^CN99^40^40.5/-109^<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:22 GU6EFB-1
CC11^7074^HS3PJF^29-Nov-2021^1725Z^FT8 + 0 dB 337
Hz^VE7CC-#^1^^RBNFT8^49^26^2^3^^BC^HS^VE^OK04^CN99^40^14.5/-101^<o:p></o:p></p>
<p class="MsoNormal">-> 17:25:23 ON0DXK-5
PC61^10489772.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^192.168.178.1^H29^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 GB7RDX
PC61^10489772.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^192.168.178.1^H28^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 EA2CW
PC61^10489772.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^192.168.178.1^H28^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 GB7DXG-1
PC61^10489772.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^192.168.178.1^H28^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 VE7CC-1
PC61^10489772.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^192.168.178.1^H28^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 G3WNR DX de SV5BYR:
10489772.0 9X4X KI48XE nice op 1725Z<o:p></o:p></p>
<p class="MsoNormal">-> 17:25:23 VE7CC-1
PC61^10489772.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^192.168.178.1^H26^~<o:p></o:p></p>
<p class="MsoNormal">-> 17:25:23 GB7RDX
PC11^10489770.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^H97^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 EA2CW
PC11^10489770.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^H96^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 GB7DXG-1
PC11^10489770.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^H96^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 ON0DXK-5
PC11^10489770.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^H96^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 VE7CC-1
PC11^10489770.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^H96^~<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:23 G3WNR DX de SV5BYR:
10489770.0 9X4X KI48XE nice op 1725Z<o:p></o:p></p>
<p class="MsoNormal">-> 17:25:23 ON0DXK-5
PC11^10489770.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^H94^~<o:p></o:p></p>
<p class="MsoNormal">-> 17:25:24 EA2CW
PC11^10489770.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^H96^~<o:p></o:p></p>
<p class="MsoNormal">-> 17:25:24 GB7DXG-1
PC92^EI7MRE^62720^D^^5UT1U^H95^<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:24 GB7RDX
PC92^EI7MRE^62720^D^^5UT1U^H94^<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:24 EA2CW
PC92^EI7MRE^62720^D^^5UT1U^H94^<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:24 ON0DXK-5
PC92^EI7MRE^62720^D^^5UT1U^H94^<o:p></o:p></p>
<p class="MsoNormal"><- 17:25:24 VE7C<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Courier New"">Keith
GU6EFB<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"
lang="EN-US">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"
lang="EN-US"> Dxspider-support
<a class="moz-txt-link-rfc2396E" href="mailto:dxspider-support-bounces@tobit.co.uk"><dxspider-support-bounces@tobit.co.uk></a> <b>On
Behalf Of </b>Dirk Koopman via Dxspider-support<br>
<b>Sent:</b> 29 November 2021 19:50<br>
<b>To:</b> Dxspider-Support
<a class="moz-txt-link-rfc2396E" href="mailto:dxspider-support@dxcluster.org"><dxspider-support@dxcluster.org></a><br>
<b>Cc:</b> Dirk Koopman <a class="moz-txt-link-rfc2396E" href="mailto:djk@tobit.co.uk"><djk@tobit.co.uk></a><br>
<b>Subject:</b> [Dxspider-support] 10Ghz+ spots<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:13.5pt;font-family:"Courier New"">Whilst
I have a lot of sysop attention...<br>
<br>
Please could we look in our logs for this spot issued today.<br>
<br>
<br>
29Nov2021@17:25:20 (chan) <- I GB7DJK
PC61^10489772.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^192.168.178.1^H27^~<br>
<br>
<br>
The original was a valid PC61 but it has gone to some other
node (probably to AR-C land) and come out as a PC11 with the
WRONG QRG on it. Just as bad as this is that there are some
ops that are using narrow band on 3cms (not to mention HF)
and use fractions of KHz. That isn't preserved either. <br>
<br>
Please would you do this (copy'n'paste should work):<br>
<br>
grepdbg '<- I' 'PC[61]1' 9x4x '\^1048'<br>
<br>
29Nov2021@15:39:33 (chan) <- I GB7DJK
PC61^10489772.0^9X4X^29-Nov-2021^1539Z^
^IK5ZAI^IK5PWJ-6^151.29.14.116^H8^~<br>
29Nov2021@15:39:33 (chan) <- I GB7DJK
PC11^10489770.0^9X4X^29-Nov-2021^1539Z^
^IK5ZAI^IK5PWJ-6^H95^~<br>
29Nov2021@17:25:20 (chan) <- I GB7DJK
PC61^10489772.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^192.168.178.1^H27^~<br>
29Nov2021@17:25:20 (chan) <- I GB7DJK
PC11^10489770.0^9X4X^29-Nov-2021^1725Z^KI48XE nice
op^SV5BYR^SV5BYR-7^H93^~<br>
<br>
Thanks<br>
<br>
Dirk G1TLH</span><o:p></o:p></p>
</div>
<br>
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