To: | [email protected] |
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Subject: | LF: MF stereo RXing |
From: | DK7FC <[email protected]> |
Date: | Mon, 31 Aug 2015 19:40:30 +0200 |
In-reply-to: | <[email protected]> |
References: | <[email protected]>, <[email protected]> <[email protected]> <[email protected]> <[email protected]> |
Reply-to: | [email protected] |
Sender: | [email protected] |
User-agent: | Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 |
Hi all,Now my stereo RX is running the first time. The left channel is the Loop, the right channel is the T-antenna. On http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_remote_Grabber.html i'm displaying these two channels to get a first impression. In WSPR i do appear as DK7FC/T and DK7FC/L. Two instances of WSPR are running one channel without a noise blanker. So far i did not attempt to mix the signals to see the effects. I see that i have to align the left channel matching to get a lower passband ripple. The T-antenna signal is 16 dB stronger then the loop signal. So far i'm compensating this within SpecLab but i intend to build a 10 dB attenuator for the T-ant and make the loop a bit larger. Maybe this will happen on the new remote location (?). Looking forward to see some WSPR signals :-) 73, Stefan |
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