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Re: LF: WD2XSH/17 decoded in GM

To: "[email protected]" <[email protected]>
Subject: Re: LF: WD2XSH/17 decoded in GM
From: Rik Strobbe <[email protected]>
Date: Mon, 28 Dec 2009 15:26:50 +0100
In-reply-to: <5263798E332240C3BC686B3164057D2F@p4>
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Mark,

you will need WSPR2 to get good decodes of WD2XSH/xx

73, Rik  ON7YD - OR7T

Quoting Mark <[email protected]>:

Hi All,
3 instances of decodes of WD2XSH on 503.890KHz last night between 01:00 and 03:00z all with bad message tagged, and no /17 appended
These of course did not upload, sigs were 2 off -28 dB and 1 off -27dB
Several other corrupted calls reported on the same frequency.

I was using WSPR1.01, now upgraded to WSPR2 r1714. The change log does not suggest that 1.01 does not handle the suffixes correctly, but I am hoping that the upgrade will improve things Interestingly the RX noise level indicator says -30dB all the time, irrespective of the audio level settings, though it displays and decodes well enough. Soundcard setup is non-standard here, RX is softrock, processed by Speclab (which also provides the grabber see www.dc2light.co.uk<http://www.dc2light.co.uk> for a link) Audio Output from Speclab is filtered, frequency shifted and then passed to the WSPR software.

Pleased to copy the WD2XSH/17 on the tiny mag loop antenna, which is aligned roughly E-W and therfore has a null towards the USA
Hopefully future spots will reach the database.
Hope all have a happy and prosperous 2010
Mark GM4ISM IO85AR




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