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Noise level variation AirSpy HF+
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One final note, hit the square box in upper right to make it full screen. I didn't on the above image sent and the bottom ribbon bar is missing, most of which Simon needs to see when users are having issues.
73 Kriss KA1GJU
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When sent as an attachment (use the paperclip above text box) the image will not get reduced to unreadable. Maybe email clients can read it? But
I and others read it via the web GUI. Here's an example that all the finer details can be read. 73 Kriss KA1GJU
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jdow
Um, full size. We can't read anything off these to
check the settings.
toggle quoted messageShow quoted text
{^_^} On 20220117 00:38:30, Jorge Garzón
Gutiérrez via groups.io wrote:
Hi Kriss and the rest of the group,
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Jorge Garzón Gutiérrez <iberiaDX@...>
Hi Kriss and the rest of the group,
I am attaching two screenshots. The first image (one screen) named "Cascada0" is the initial one when I open Console without the Miniwhip amplifier on, so the signals showed are just the stronger ones and the spikes (internal noises, or USB noises, or interferences). The second image "Cascada1_2" includes two shots: Nr. 1. Screenshot after connecting the MiniWhip amplifier when the Console software was previously opened (after have taken former 'one-screen' image). Nr. 2. Screenshot when Console is opened WITH the Mini-whip amplifier connected. Differences are noticeable and conditions are in both cases the same without changin any of the Console options. No explanation for that!! -- Jorge Garzón. EB7EFA / EA1036 SWL QTH 43°15'N - 03°56'W / IN83ag • Cantabria (España-Spain) Blog: IberiaDX Twitter: @IberiaDX
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How about two screen shots, posted as attachments of the two conditions. Maybe there's a pre-amp or visual gain setting changing? Be sure the DSP window is displayed when the screen shot is taken.
73 Kriss KA1GJU
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Jorge Garzón Gutiérrez <iberiaDX@...>
Hi, Happy New Year to all! My main receiver is a modified AirSpy HF+ (LW enhancement) and I've noticed something that puzzles me. When I launch Console V3 and then I open my HF+ without switching on the Miniwhip amplifier, I get signals (just stronger ones) with a very low bed noise level. Then I switch the amplifier on and the rest of the signals on the MW band appears with a reasonable low noise level as I live in a quiet rural area. But when I first switch the MiniWhip amplifier on and then I launch the software and then open the HF+ receiver, the signals are there, but the bed noise level is higher by, saying... 15 dB, so the S/N is worst than before. Why is this happening? Supposedly the noise must be the same in the system, but it is not! Any explanation? ¡Gracias! J Jorge Garzón Gutiérrez "IberiaDX" (EB7EFA · EA1036 SWL · BDXC Member 1409) QTH: IN83ag / 43º15' N · 03º56' W San Roque 95, casa 5 (Villasevil) 39698 Santiurde de Toranzo (ESPAÑA - SPAIN) ..................................................................................
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